{"title":"Piston Pump Series","description":"\u003cp\u003eBrowse our complete range of hydraulic piston pumps engineered for heavy equipment applications. Hydraulic piston pumps are the core power source in excavators, loaders, and other construction machinery — responsible for driving boom, arm, bucket, swing, and travel hydraulic circuits with consistent pressure and flow.\u003c\/p\u003e\n\u003cp\u003eHE PUMP stocks piston pumps for Caterpillar (CAT), Komatsu, Volvo, Hitachi, JCB, Liebherr, Kawasaki, Sany, XCMG, and more. Every pump is manufactured as a direct OEM-compatible replacement — designed to match or exceed original equipment specifications for displacement, pressure rating, and torque output.\u003c\/p\u003e\n\u003ch3\u003eHow Does a Piston Pump Work?\u003c\/h3\u003e\n\u003cp\u003eAn axial piston pump uses a rotating swash plate to drive pistons back and forth in a cylinder block. As the swash plate tilts, each piston strokes in and out, drawing in and pushing out hydraulic fluid. This design delivers high pressure, high efficiency, and variable displacement — making piston pumps the first choice for main hydraulic circuits in excavators and loaders.\u003c\/p\u003e\n\u003ch3\u003eTypes of Piston Pumps We Supply\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eVariable displacement axial piston pumps:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe most common type on modern excavators. Displacement adjusts automatically based on load demand, improving fuel efficiency\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFixed displacement piston pumps:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eSimpler design with constant displacement. Used where consistent flow is required regardless of load\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOpen-circuit piston pumps:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eFluid flows from tank → pump → valve → tank. Most common on mobile equipment\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eClosed-circuit piston pumps:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eFluid flows directly between pump and motor. Used on travel and swing drives where bidirectional control is needed\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eCommon Applications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMain hydraulic pumps:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe primary pump that powers boom, arm, bucket, and swing functions on excavators\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTravel motors:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ePiston pumps (or piston motors) that drive track movement\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSwing drives:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ePiston motors for upperstructure rotation\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLoader hydraulics:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eMain pumps for wheel loader lift and tilt circuits\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDozer hydraulics:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eBlade lift, tilt, and ripper circuits\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eEquipment We Cover\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCaterpillar Excavators:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e320, 325, 330, 345, 349, 374 series\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCaterpillar Wheel Loaders:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e950, 966, 980, 988, 990 series\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCaterpillar Motor Graders:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e12M, 14M, 16M, 18M series\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCaterpillar Bulldozers:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eD6, D8, D10, D11 series\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eKomatsu PC Series:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ePC200, PC300, PC400 series excavators\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVolvo EC Series:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eEC220, EC300, EC380, EC480 series excavators\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOther Brands:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eHitachi, JCB, Liebherr, Sany, XCMG, and more\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhy Choose HE PUMP Piston Pumps?\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDirect Fit:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eNo modifications required — bolt-on replacement for original pumps\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM Quality Standards:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ePrecision-machined components meeting or exceeding factory specifications\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBroad Compatibility:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ePumps available for hydraulic excavators, wheel loaders, motor graders, bulldozers, and more\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e12-Month Warranty:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eFull coverage against manufacturing defects\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGlobal Shipping:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eFast worldwide delivery with competitive freight rates\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTechnical Support:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eWe verify part numbers before shipping — contact us with your machine model and serial number\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSigns of Piston Pump Failure\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSluggish or weak hydraulic movement (boom, arm, bucket response slows down)\u003c\/li\u003e\n\u003cli\u003eExcessive noise — whining, growling, or knocking from the pump area\u003c\/li\u003e\n\u003cli\u003eOverheating hydraulic fluid (internal leakage generates excess heat)\u003c\/li\u003e\n\u003cli\u003eMetal particles in the hydraulic filter or suction screen\u003c\/li\u003e\n\u003cli\u003eVisible external leaks at pump seals or housing\u003c\/li\u003e\n\u003cli\u003eSystem pressure below specifications (test with a pressure gauge)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003ePreventing Piston Pump Failure\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eReplace hydraulic filters on schedule:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eContaminated fluid is the #1 cause of piston pump failure\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUse the correct hydraulic fluid:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eWrong viscosity causes excessive wear and overheating\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAvoid cavitation:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eEnsure the pump has adequate inlet pressure — restricted suction lines cause cavitation damage\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarm up the machine:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eAllow hydraulic fluid to reach operating temperature before full-load operation\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMonitor case drain pressure:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eExcessive case pressure indicates internal wear and shortens pump life\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eWhether you need a complete piston pump assembly or internal replacement parts (piston shoes, valve plates, swash plates, cylinder blocks), we have you covered.\u003cspan\u003e \u003c\/span\u003e\u003ca href=\"https:\/\/hepumpstore.com\/pages\/contact\"\u003eContact us today\u003c\/a\u003e\u003cspan\u003e \u003c\/span\u003efor part number verification, pricing, and availability.\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/hepumpstore.com\/pages\/contact\"\u003eRequest a Quote\u003c\/a\u003e\u003c\/p\u003e","products":[{"product_id":"cat-345c-excavator-piston-pump-2590814","title":"CAT 2590814 (259-0814) Piston Pump | Fits 345C Excavator","description":"\u003ch2\u003eCAT 2590814 (259-0814) Piston Pump | Fits 345C\u003c\/h2\u003e\n\u003cp\u003ePremium hydraulic piston pump designed as a direct OEM-compatible replacement for Caterpillar 345C hydraulic excavator. Built to deliver reliable hydraulic performance and long service life in demanding excavation and material handling applications.\u003c\/p\u003e\n\u003ch3\u003eProduct Highlights\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e 2590814 \/ 259-0814\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDirect Fit:\u003c\/strong\u003e No modifications required\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh Performance:\u003c\/strong\u003e Meets or exceeds original Caterpillar specifications\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurable Construction:\u003c\/strong\u003e Precision-engineered for long service life\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWide Application:\u003c\/strong\u003e Suitable for hydraulic excavators\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e 2590814 \/ 259-0814\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Type:\u003c\/strong\u003e Hydraulic Piston Pump\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand Compatibility:\u003c\/strong\u003e Caterpillar (CAT)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Hydraulic System\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 12 Months\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eCompatible Models\u003c\/h3\u003e\n\u003cp\u003eThis piston pump fits the following Caterpillar hydraulic excavator:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eCaterpillar 345C Hydraulic Excavator\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eHydraulic System\u003c\/li\u003e\n\u003cli\u003eExcavator Hydraulics\u003c\/li\u003e\n\u003cli\u003eHeavy Duty Excavation Applications\u003c\/li\u003e\n\u003cli\u003eMining and Material Handling Equipment\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhy Choose This Pump?\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eQuality Guaranteed - Manufactured to meet OEM standards\u003c\/li\u003e\n\u003cli\u003eReady to Ship - In stock and available for immediate dispatch\u003c\/li\u003e\n\u003cli\u003eExpert Support - Technical assistance available\u003c\/li\u003e\n\u003cli\u003eCompetitive Pricing - Cost-effective alternative to dealer parts\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What are the symptoms of a failing hydraulic piston pump on a CAT 345C excavator?\u003c\/strong\u003e\u003cbr\u003eA: Common signs include slow or weak boom, arm, and bucket response, the excavator struggling to dig under load, hydraulic oil overheating faster than normal, whining or knocking noise from the hydraulic pump area, and visible external hydraulic fluid leakage around the pump housing. If your 345C is losing hydraulic power or operating noticeably slower, the main piston pump is likely worn and should be inspected.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Which CAT excavator models does the 2590814 piston pump fit?\u003c\/strong\u003e\u003cbr\u003eA: The 2590814 (259-0814) is designed as a direct OEM-compatible replacement for the CAT 345C hydraulic excavator. The 345C is a 45-ton large excavator commonly used in heavy excavation, quarry, and mining applications. Contact us with your excavator serial number to confirm exact compatibility.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What hydraulic functions does this pump support on the 345C?\u003c\/strong\u003e\u003cbr\u003eA: As the main hydraulic pump on the 345C, it supplies flow to all hydraulic circuits — boom, arm, bucket, swing, and travel functions. A failing main pump will cause weak or slow operation across all functions simultaneously. If only one function is affected, the problem may be a control valve rather than the pump.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Should I flush the hydraulic system when replacing this pump?\u003c\/strong\u003e\u003cbr\u003eA: Absolutely. Flushing the hydraulic system is critical when replacing the main pump. Metal particles and contaminants from the old pump can damage the new pump within hours. Drain and replace the hydraulic oil, flush the system with clean oil, and install fresh filters. We strongly recommend professional installation by a qualified technician or CAT dealer service center.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What type of hydraulic oil is recommended for the CAT 345C after a pump replacement?\u003c\/strong\u003e\u003cbr\u003eA: Caterpillar recommends Cat HYDO Advanced 10W or 30W hydraulic oil depending on ambient operating temperature. Using non-CAT hydraulic fluids can void warranties and cause premature pump wear. When replacing the main pump, always use fresh, clean hydraulic oil — never reuse the old oil.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How do I confirm this is the correct pump for my 345C?\u003c\/strong\u003e\u003cbr\u003eA: Check the part number on your current hydraulic pump — if it reads 2590814 or 259-0814, this is the correct replacement. If the label is worn or missing, provide us with your 345C excavator serial number and we will verify compatibility before you order.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Does this pump come with mounting hardware or gaskets included?\u003c\/strong\u003e\u003cbr\u003eA: The pump is supplied as a complete unit. Depending on your 345C configuration, you may need separate mounting bolts, gaskets, or O-rings. Contact us with your serial number and we will confirm exactly what is included and what additional parts you may need for installation.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What is the warranty on this hydraulic piston pump?\u003c\/strong\u003e\u003cbr\u003eA: This piston pump comes with a 12-month warranty covering manufacturing defects. The warranty does not cover damage caused by contaminated hydraulic oil, improper installation, failure to flush the hydraulic system, or using incorrect hydraulic fluids.\u003c\/p\u003e\n\u003cp\u003eLooking for this piston pump? Contact us today for pricing, availability, and lead time information.\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"\/pages\/contact\"\u003eRequest a Quote\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eRelated Products\u003c\/h3\u003e\n\u003cp\u003eExplore our full range of \u003ca href=\"\/collections\/construction-machinery-caterpillar\"\u003eCaterpillar piston pumps\u003c\/a\u003e.\u003c\/p\u003e","brand":"Caterpillar","offers":[{"title":"Default Title","offer_id":46632456159388,"sku":"CAT-345C-2590814","price":0.0,"currency_code":"CNY","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0738\/7385\/0524\/files\/2590814_1.jpg?v=1775396859"},{"product_id":"cat-336-340-345gc-349-352-excavator-piston-pump-5240924","title":"CAT 5240924 (524-0924) Piston Pump | Fits 336 340 345GC 349 352 Excavator","description":"\u003ch2\u003eCAT Piston Pump Part No. 5240924 (524-0924) | Fits 336 340 345GC 349 352\u003c\/h2\u003e\u003cp\u003ePremium hydraulic piston pump designed as a direct OEM-compatible replacement for Caterpillar 336, 340, 345 GC, 349, and 352 excavators. Built to deliver consistent hydraulic performance and long service life in demanding construction and earthmoving applications.\u003c\/p\u003e\u003ch3\u003eKey Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eOEM-compatible part number: 5240924 \/ 524-0924\u003c\/li\u003e\n\u003cli\u003eFits: CAT 336, CAT 340, CAT 345 GC, CAT 349, CAT 352 Excavators\u003c\/li\u003e\n\u003cli\u003ePrecision-engineered for consistent hydraulic output and long service life\u003c\/li\u003e\n\u003cli\u003eMeets or exceeds original Caterpillar performance specifications\u003c\/li\u003e\n\u003cli\u003eIdeal for heavy-duty construction and excavation applications\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eCompatible Models\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eCaterpillar 336 Excavator\u003c\/li\u003e\n\u003cli\u003eCaterpillar 340 Excavator\u003c\/li\u003e\n\u003cli\u003eCaterpillar 345 GC Excavator\u003c\/li\u003e\n\u003cli\u003eCaterpillar 349 Excavator\u003c\/li\u003e\n\u003cli\u003eCaterpillar 352 Excavator\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eApplications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eMain hydraulic pump replacement\u003c\/li\u003e\n\u003cli\u003eSupports boom, arm, bucket, swing, and travel circuits\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eContact us to confirm compatibility, request a quote, or inquire about lead times and bulk pricing.\u003c\/p\u003e","brand":"Caterpillar","offers":[{"title":"Default Title","offer_id":46633898999964,"sku":"CAT-5240924","price":0.0,"currency_code":"CNY","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0738\/7385\/0524\/files\/52409243_f9531ad1-de68-4d32-be4d-98823684de78.jpg?v=1775650697"},{"product_id":"cat-piston-pump-1539624-836g-988g-834g","title":"CAT 1539624 (153-9624) Piston Pump | Fits 836G 836H 988G 988H 834G 834H Wheel Loader","description":"\u003ch2\u003eCAT 1539624 (153-9624) Piston Pump | Fits 836G 836H 988G 988H 834G 834H Wheel Loader\u003c\/h2\u003e\n\n\u003cp\u003ePremium hydraulic piston pump designed as a direct OEM-compatible replacement for Caterpillar 836G, 836H, 988G, 988H, 834G, and 834H wheel loaders. Built to deliver consistent hydraulic performance and long service life in demanding mining, quarry, and construction applications.\u003c\/p\u003e\n\n\u003ch3\u003eProduct Highlights\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e 1539624 \/ 153-9624\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDirect Fit:\u003c\/strong\u003e No modifications required\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh Performance:\u003c\/strong\u003e Meets or exceeds original Caterpillar specifications\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurable Construction:\u003c\/strong\u003e Precision-engineered for long service life\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWide Application:\u003c\/strong\u003e Suitable for mining, quarry, and construction projects\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e 1539624 \/ 153-9624\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Type:\u003c\/strong\u003e Variable Displacement Piston Pump\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand Compatibility:\u003c\/strong\u003e Caterpillar (CAT)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Hydraulic System\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 12 Months\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eCompatible Models\u003c\/h3\u003e\n\u003cp\u003eThis piston pump fits the following Caterpillar wheel loaders:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eCaterpillar 836G Wheel Loader\u003c\/li\u003e\n\u003cli\u003eCaterpillar 836H Wheel Loader\u003c\/li\u003e\n\u003cli\u003eCaterpillar 988G Wheel Loader\u003c\/li\u003e\n\u003cli\u003eCaterpillar 988H Wheel Loader\u003c\/li\u003e\n\u003cli\u003eCaterpillar 834G Wheel Loader\u003c\/li\u003e\n\u003cli\u003eCaterpillar 834H Wheel Loader\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eWheel Loader Lift and Tilt Functions\u003c\/li\u003e\n\u003cli\u003eWheel Loader Drive and Steering Systems\u003c\/li\u003e\n\u003cli\u003eHeavy-Duty Loading and Digging Operations\u003c\/li\u003e\n\u003cli\u003eMining, Quarry, and Construction Projects\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhy Choose This Pump?\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eQuality Guaranteed - Manufactured to meet OEM standards\u003c\/li\u003e\n\u003cli\u003eReady to Ship - In stock and available for immediate dispatch\u003c\/li\u003e\n\u003cli\u003eExpert Support - Technical assistance available\u003c\/li\u003e\n\u003cli\u003eCompetitive Pricing - Cost-effective alternative to dealer parts\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: Is this pump an original Caterpillar part?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: This is an OEM-compatible aftermarket replacement that meets or exceeds Caterpillar specifications.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: What is the warranty period?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: This pump comes with a 12-month warranty covering manufacturing defects.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: Do you offer bulk pricing?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: Yes, we offer competitive bulk pricing for dealers and fleet operators. Contact us for a quote.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: What is the lead time?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: Standard items typically ship within 3-5 business days. Contact us for expedited options.\u003c\/p\u003e\n\n\u003cp\u003eLooking for this hydraulic pump? Contact us today for pricing, availability, and lead time information.\u003c\/p\u003e\n\n\u003cp\u003e\u003ca href=\"\/pages\/contact\"\u003eRequest a Quote\u003c\/a\u003e\u003c\/p\u003e\n\n\u003ch3\u003eRelated Products\u003c\/h3\u003e\n\n\u003cp\u003eExplore our full range of \u003ca href=\"\/collections\/construction-machinery-caterpillar\"\u003eCaterpillar piston pumps\u003c\/a\u003e.\u003c\/p\u003e\n","brand":"Caterpillar","offers":[{"title":"Default Title","offer_id":46637253329052,"sku":"CAT-1539624","price":0.0,"currency_code":"CNY","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0738\/7385\/0524\/files\/153-96241_472d1b08-b096-4691-ac1d-000dd3ae476a.jpg?v=1775482397"},{"product_id":"cat-piston-pump-1809588-416d-424d","title":"CAT 1809588 (180-9588) Piston Pump | Fits 416D 424D Backhoe Loader","description":"\u003ch2\u003eCAT 1809588 (180-9588) Piston Pump | Fits 416D 424D Backhoe Loader\u003c\/h2\u003e\n\n\u003cp\u003ePremium hydraulic piston pump designed as a direct OEM-compatible replacement for Caterpillar 416D and 424D backhoe loaders. Built to deliver consistent hydraulic performance and long service life in demanding construction, utility, and municipal applications.\u003c\/p\u003e\n\n\u003ch3\u003eProduct Highlights\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e 1809588 \/ 180-9588\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDirect Fit:\u003c\/strong\u003e No modifications required\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh Performance:\u003c\/strong\u003e Meets or exceeds original Caterpillar specifications\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurable Construction:\u003c\/strong\u003e Precision-engineered for long service life\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWide Application:\u003c\/strong\u003e Suitable for construction, utility, and municipal projects\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e 1809588 \/ 180-9588\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Type:\u003c\/strong\u003e Variable Displacement Piston Pump\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand Compatibility:\u003c\/strong\u003e Caterpillar (CAT)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Hydraulic System\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 12 Months\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eCompatible Models\u003c\/h3\u003e\n\u003cp\u003eThis piston pump fits the following Caterpillar backhoe loaders:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eCaterpillar 416D Backhoe Loader\u003c\/li\u003e\n\u003cli\u003eCaterpillar 424D Backhoe Loader\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eBackhoe Loader Lift and Tilt Functions\u003c\/li\u003e\n\u003cli\u003eBackhoe Loader Dig and Swing Circuits\u003c\/li\u003e\n\u003cli\u003eHeavy-Duty Excavation and Loading Operations\u003c\/li\u003e\n\u003cli\u003eConstruction, Utility, and Municipal Projects\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhy Choose This Pump?\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eQuality Guaranteed - Manufactured to meet OEM standards\u003c\/li\u003e\n\u003cli\u003eReady to Ship - In stock and available for immediate dispatch\u003c\/li\u003e\n\u003cli\u003eExpert Support - Technical assistance available\u003c\/li\u003e\n\u003cli\u003eCompetitive Pricing - Cost-effective alternative to dealer parts\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: Is this pump an original Caterpillar part?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: This is an OEM-compatible aftermarket replacement that meets or exceeds Caterpillar specifications.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: What is the warranty period?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: This pump comes with a 12-month warranty covering manufacturing defects.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: Do you offer bulk pricing?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: Yes, we offer competitive bulk pricing for dealers and fleet operators. Contact us for a quote.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: What is the lead time?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: Standard items typically ship within 3-5 business days. Contact us for expedited options.\u003c\/p\u003e\n\n\u003cp\u003eLooking for this hydraulic pump? Contact us today for pricing, availability, and lead time information.\u003c\/p\u003e\n\n\u003cp\u003e\u003ca href=\"\/pages\/contact\"\u003eRequest a Quote\u003c\/a\u003e\u003c\/p\u003e\n\n\u003ch3\u003eRelated Products\u003c\/h3\u003e\n\n\u003cp\u003eExplore our full range of \u003ca href=\"\/collections\/construction-machinery-caterpillar\"\u003eCaterpillar piston pumps\u003c\/a\u003e.\u003c\/p\u003e\n","brand":"Caterpillar","offers":[{"title":"Default Title","offer_id":46637792198812,"sku":"CAT-1809588","price":0.0,"currency_code":"CNY","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0738\/7385\/0524\/files\/180-95881.jpg?v=1775485140"},{"product_id":"cat-d10t-piston-pump-2200780-220-0780","title":"CAT 2200780 (220-0780) Piston Pump | Fits D10T Bulldozer","description":"\u003ch2\u003eCAT 2200780 (220-0780) Piston Pump | Fits D10T Bulldozer\u003c\/h2\u003e\n\u003cp\u003ePremium hydraulic piston pump designed as a direct OEM-compatible replacement for Caterpillar D10T crawler tractor. Built to deliver consistent hydraulic performance and long service life in demanding mining, quarry, and heavy earthmoving applications.\u003c\/p\u003e\n\u003ch3\u003eProduct Highlights\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e 2200780 \/ 220-0780\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDirect Fit:\u003c\/strong\u003e No modifications required\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh Performance:\u003c\/strong\u003e Meets or exceeds original Caterpillar specifications\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurable Construction:\u003c\/strong\u003e Precision-engineered for long service life\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWide Application:\u003c\/strong\u003e Suitable for mining, quarry, and heavy earthmoving projects\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e 2200780 \/ 220-0780\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Type:\u003c\/strong\u003e Variable Displacement Piston Pump\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand Compatibility:\u003c\/strong\u003e Caterpillar (CAT)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Hydraulic System\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 12 Months\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eCompatible Models\u003c\/h3\u003e\n\u003cp\u003eThis piston pump fits the following Caterpillar bulldozer:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eCaterpillar D10T Crawler Tractor\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eBulldozer Blade Lift and Tilt Functions\u003c\/li\u003e\n\u003cli\u003eBulldozer Ripper and Winch Systems\u003c\/li\u003e\n\u003cli\u003eHeavy-Duty Grading and Land Clearing Operations\u003c\/li\u003e\n\u003cli\u003eMining, Quarry, and Heavy Earthmoving Projects\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhy Choose This Pump?\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eQuality Guaranteed - Manufactured to meet OEM standards\u003c\/li\u003e\n\u003cli\u003eReady to Ship - In stock and available for immediate dispatch\u003c\/li\u003e\n\u003cli\u003eExpert Support - Technical assistance available\u003c\/li\u003e\n\u003cli\u003eCompetitive Pricing - Cost-effective alternative to dealer parts\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What are the symptoms of a failing hydraulic piston pump on a CAT D10T bulldozer?\u003c\/strong\u003e\u003cbr\u003eA: Common signs include slow or weak blade lift and tilt response, the ripper or winch operating at reduced power or failing to engage, the dozer struggling to move under load, hydraulic oil overheating, unusual whining or knocking from the pump area, and visible hydraulic fluid leakage. The D10T is a 70-ton+ mining-class machine — hydraulic pump failure will cause significant productivity loss and should be addressed promptly.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What hydraulic systems does this pump support on the D10T?\u003c\/strong\u003e\u003cbr\u003eA: The 2200780 is the main hydraulic pump supplying flow to the blade lift and tilt circuits, ripper system, and winch on the D10T crawler tractor. A failing pump will cause sluggish or unresponsive blade control, weak ripping performance, and reduced dozing capability. These symptoms typically develop gradually over time.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Is the D10T a demanding application for hydraulic pumps?\u003c\/strong\u003e\u003cbr\u003eA: Yes, absolutely. The D10T operates in the most demanding conditions — mining, quarrying, and heavy rock earthmoving. The hydraulic pump works continuously under extreme loads. This is one of the largest Caterpillar machines, and replacement pumps must meet the high pressure and flow demands of D10T applications. This OEM-compatible unit is engineered to those specifications.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Should I flush the hydraulic system when replacing this pump on the D10T?\u003c\/strong\u003e\u003cbr\u003eA: Always. Flushing the hydraulic system is essential. The D10T hydraulic system operates at very high pressures, and metal contaminants from a failed pump can destroy the new pump within hours. Drain and replace all hydraulic oil, flush the system thoroughly, replace filters, and refill with fresh Cat HYDO Advanced hydraulic oil. We strongly recommend professional installation — D10T hydraulic systems require specialized tools and expertise.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What type of hydraulic oil is recommended for the CAT D10T?\u003c\/strong\u003e\u003cbr\u003eA: Caterpillar specifies Cat HYDO Advanced 10W or 30W depending on ambient operating temperature. Given the D10T's high-pressure hydraulic system and demanding application, never use non-formulated hydraulic fluids — doing so can cause immediate pump failure and void any warranty. Always use fresh, clean Cat-approved hydraulic oil during and after installation.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How do I confirm this is the correct pump for my D10T?\u003c\/strong\u003e\u003cbr\u003eA: Check the part number on your current pump — if it reads 2200780 or 220-0780, this is the correct replacement. If the label is worn, provide your D10T serial number and we will verify compatibility before you order.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Does this pump come with mounting hardware or include gaskets?\u003c\/strong\u003e\u003cbr\u003eA: The pump is supplied as a complete unit. Depending on your D10T configuration, you may need separate mounting hardware, gaskets, or O-rings. Contact us with your serial number and we will confirm exactly what is included and what additional parts you may need for installation.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What is the warranty on this hydraulic piston pump?\u003c\/strong\u003e\u003cbr\u003eA: This piston pump comes with a 12-month warranty covering manufacturing defects. The warranty does not cover damage caused by contaminated hydraulic oil, improper installation, failure to flush the hydraulic system, or using non-CAT approved hydraulic fluids.\u003c\/p\u003e\n\u003cp\u003eLooking for this hydraulic pump? Contact us today for pricing, availability, and lead time information.\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"\/pages\/contact\"\u003eRequest a Quote\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eRelated Products\u003c\/h3\u003e\n\u003cp\u003eExplore our full range of \u003ca href=\"\/collections\/construction-machinery-caterpillar\"\u003eCaterpillar piston pumps\u003c\/a\u003e.\u003c\/p\u003e","brand":"Caterpillar","offers":[{"title":"Default Title","offer_id":46642010325148,"sku":"CAT-2200780","price":0.0,"currency_code":"CNY","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0738\/7385\/0524\/files\/220-07801.jpg?v=1775564034"},{"product_id":"cat-365b-365c-374d-l-piston-pump-2478968-247-8968","title":"CAT 2478968 (247-8968) Piston Pump | Fits 365B 365C 374D L Excavator","description":"\u003ch2\u003eCAT 2478968 (247-8968) Piston Pump | Fits 365B 365C 374D L Excavator\u003c\/h2\u003e\n\u003cp\u003ePremium hydraulic piston pump designed as a direct OEM-compatible replacement for Caterpillar 365B, 365C, and 374D L excavators. Built to deliver consistent hydraulic performance and long service life in demanding mining, quarry, and heavy excavation applications.\u003c\/p\u003e\n\u003ch3\u003eProduct Highlights\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e 2478968 \/ 247-8968\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDirect Fit:\u003c\/strong\u003e No modifications required\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh Performance:\u003c\/strong\u003e Meets or exceeds original Caterpillar specifications\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurable Construction:\u003c\/strong\u003e Precision-engineered for long service life\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWide Application:\u003c\/strong\u003e Suitable for mining, quarry, and heavy excavation projects\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e 2478968 \/ 247-8968\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Type:\u003c\/strong\u003e Variable Displacement Piston Pump\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand Compatibility:\u003c\/strong\u003e Caterpillar (CAT)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Hydraulic System\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 12 Months\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eCompatible Models\u003c\/h3\u003e\n\u003cp\u003eThis piston pump fits the following Caterpillar excavators:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eCaterpillar 365B Excavator\u003c\/li\u003e\n\u003cli\u003eCaterpillar 365C Excavator\u003c\/li\u003e\n\u003cli\u003eCaterpillar 374D L Excavator\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eExcavator Boom and Arm Hydraulic Circuits\u003c\/li\u003e\n\u003cli\u003eExcavator Bucket and Slewing Functions\u003c\/li\u003e\n\u003cli\u003eHeavy-Duty Digging and Trenching Operations\u003c\/li\u003e\n\u003cli\u003eMining, Quarry, and Heavy Excavation Projects\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhy Choose This Pump?\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eQuality Guaranteed - Manufactured to meet OEM standards\u003c\/li\u003e\n\u003cli\u003eReady to Ship - In stock and available for immediate dispatch\u003c\/li\u003e\n\u003cli\u003eExpert Support - Technical assistance available\u003c\/li\u003e\n\u003cli\u003eCompetitive Pricing - Cost-effective alternative to dealer parts\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What are the symptoms of a failing hydraulic piston pump on CAT 365B, 365C, or 374D L excavators?\u003c\/strong\u003e\u003cbr\u003eA: Common signs include slow or weak boom, arm, and bucket response, the excavator struggling to dig or lift under load, hydraulic oil overheating during normal operation, whining or knocking noise from the pump area, and visible external hydraulic fluid leakage around the pump housing. The 365B, 365C, and 374D L are large 65–75 ton mining-class excavators — a failing main pump will cause severe productivity loss and should be replaced promptly.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Does the 2478968 fit all three models — 365B, 365C, and 374D L?\u003c\/strong\u003e\u003cbr\u003eA: Yes, the 2478968 (247-8968) is designed as a direct OEM-compatible replacement for the CAT 365B, 365C, and 374D L hydraulic excavators. All three models share the same pump mounting and hydraulic system architecture. Contact us with your excavator serial number to confirm exact compatibility for your specific machine configuration.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What hydraulic functions does this pump support?\u003c\/strong\u003e\u003cbr\u003eA: As the main hydraulic pump on the 365B, 365C, and 374D L, it supplies flow to all major hydraulic circuits — boom, arm, bucket, swing, and travel functions. A failing main pump will cause weak or slow operation across all functions simultaneously. If only one function is affected, the problem may be a control valve rather than the pump itself.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Should I flush the hydraulic system when replacing this pump on a large excavator?\u003c\/strong\u003e\u003cbr\u003eA: Always. Flushing the hydraulic system is essential on large mining excavators. Metal particles and contaminants from the old pump can destroy a new pump within hours of installation. Drain and replace all hydraulic oil, flush the system with clean oil, replace all filters, and refill with fresh Cat HYDO Advanced hydraulic oil. We strongly recommend professional installation — these large hydraulic systems require specialized tools, expertise, and proper safety procedures.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What type of hydraulic oil is recommended for the 365B, 365C, and 374D L?\u003c\/strong\u003e\u003cbr\u003eA: Caterpillar specifies Cat HYDO Advanced 10W or 30W hydraulic oil depending on ambient operating temperature. For large mining excavators under constant heavy load, using non-CAT approved hydraulic fluids can cause immediate pump failure, accelerated wear, and void the warranty. Always use fresh, clean Cat-approved hydraulic oil.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How do I confirm this is the correct pump for my excavator?\u003c\/strong\u003e\u003cbr\u003eA: Check the part number on your current hydraulic pump — if it reads 2478968 or 247-8968, this is the correct replacement. If the label is worn or missing, provide your excavator serial number and we will verify compatibility before you order.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Does this pump come with mounting hardware or gaskets included?\u003c\/strong\u003e\u003cbr\u003eA: The pump is supplied as a complete unit. Depending on your excavator configuration, you may need separate mounting bolts, gaskets, or O-rings. Contact us with your serial number and we will confirm exactly what is included and what additional parts you may need for installation.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What is the warranty on this hydraulic piston pump?\u003c\/strong\u003e\u003cbr\u003eA: This piston pump comes with a 12-month warranty covering manufacturing defects. The warranty does not cover damage caused by contaminated hydraulic oil, improper installation, failure to flush the hydraulic system, or using non-CAT approved hydraulic fluids.\u003c\/p\u003e\n\u003cp\u003eLooking for this hydraulic pump? Contact us today for pricing, availability, and lead time information.\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"\/pages\/contact\"\u003eRequest a Quote\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eRelated Products\u003c\/h3\u003e\n\u003cp\u003eExplore our full range of \u003ca href=\"\/collections\/construction-machinery-caterpillar\"\u003eCaterpillar piston pumps\u003c\/a\u003e.\u003c\/p\u003e","brand":"Caterpillar","offers":[{"title":"Default Title","offer_id":46642138972316,"sku":"CAT-2478968","price":0.0,"currency_code":"CNY","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0738\/7385\/0524\/files\/247-89681.jpg?v=1775565654"},{"product_id":"cat-966h-972h-piston-pump-2545147-254-5147","title":"CAT 2545147 (254-5147) Piston Pump | Fits 966H 972H Wheel Loader","description":"\u003ch2\u003eCAT 2545147 (254-5147) Piston Pump | Fits 966H 972H Wheel Loader\u003c\/h2\u003e\n\u003cp\u003ePremium hydraulic piston pump designed as a direct OEM-compatible replacement for Caterpillar 966H and 972H wheel loaders. Built to deliver consistent hydraulic performance and long service life in demanding mining, quarry, and construction applications.\u003c\/p\u003e\n\u003ch3\u003eProduct Highlights\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e 2545147 \/ 254-5147\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDirect Fit:\u003c\/strong\u003e No modifications required\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh Performance:\u003c\/strong\u003e Meets or exceeds original Caterpillar specifications\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurable Construction:\u003c\/strong\u003e Precision-engineered for long service life\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWide Application:\u003c\/strong\u003e Suitable for mining, quarry, and construction projects\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e 2545147 \/ 254-5147\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Type:\u003c\/strong\u003e Variable Displacement Piston Pump\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand Compatibility:\u003c\/strong\u003e Caterpillar (CAT)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Hydraulic System\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 12 Months\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eCompatible Models\u003c\/h3\u003e\n\u003cp\u003eThis piston pump fits the following Caterpillar wheel loaders:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eCaterpillar 966H Wheel Loader\u003c\/li\u003e\n\u003cli\u003eCaterpillar 972H Wheel Loader\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eWheel Loader Lift and Tilt Functions\u003c\/li\u003e\n\u003cli\u003eWheel Loader Drive and Steering Systems\u003c\/li\u003e\n\u003cli\u003eHeavy-Duty Loading and Digging Operations\u003c\/li\u003e\n\u003cli\u003eMining, Quarry, and Construction Projects\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhy Choose This Pump?\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eQuality Guaranteed - Manufactured to meet OEM standards\u003c\/li\u003e\n\u003cli\u003eReady to Ship - In stock and available for immediate dispatch\u003c\/li\u003e\n\u003cli\u003eExpert Support - Technical assistance available\u003c\/li\u003e\n\u003cli\u003eCompetitive Pricing - Cost-effective alternative to dealer parts\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What are the symptoms of a failing hydraulic piston pump on CAT 966H or 972H wheel loaders?\u003c\/strong\u003e\u003cbr\u003eA: Common signs include slow or weak lift and tilt response (bucket hesitates when raising or tilting), loss of hydraulic power during loading cycles, the loader struggling to lift heavy loads, hydraulic oil overheating during normal operation, unusual whining or knocking from the pump area, and visible hydraulic fluid leakage. Since wheel loaders perform repeated lift-and-dump cycles, pump failure will cause significant productivity loss in loading operations.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Does the 2545147 fit both the 966H and 972H wheel loader models?\u003c\/strong\u003e\u003cbr\u003eA: Yes, the 2545147 (254-5147) is designed as a direct OEM-compatible replacement for both the CAT 966H and 972H wheel loaders. These are heavy-class wheel loaders in the 19–22 ton range, commonly used in mining, quarry, and construction loading applications. Contact us with your loader serial number to confirm exact compatibility.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What hydraulic functions does this pump support on a wheel loader?\u003c\/strong\u003e\u003cbr\u003eA: As the main hydraulic pump on the 966H and 972H, it supplies flow to the lift and tilt circuits (bucket functions) and steering system. Wheel loaders perform repeated loading cycles — pump failure causes the bucket to hesitate, move slowly, or fail to lift full loads, directly reducing loading cycle efficiency.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Should I flush the hydraulic system when replacing this pump on a wheel loader?\u003c\/strong\u003e\u003cbr\u003eA: Always. Flushing the hydraulic system is essential. Metal particles from the old pump can destroy the new pump within hours. Drain and replace all hydraulic oil, flush the system with clean oil, replace all filters, and refill with fresh Cat HYDO Advanced hydraulic oil. We recommend professional installation by a qualified technician — wheel loader hydraulic systems require proper tools and safety procedures.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What type of hydraulic oil is recommended for the 966H and 972H?\u003c\/strong\u003e\u003cbr\u003eA: Caterpillar specifies Cat HYDO Advanced 10W or 30W depending on operating temperature. Wheel loaders operating in quarry and mining environments are under constant heavy load — using non-CAT approved hydraulic fluids can cause immediate pump failure and void the warranty. Always use fresh, clean Cat-approved hydraulic oil.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How do I confirm this is the correct pump for my wheel loader?\u003c\/strong\u003e\u003cbr\u003eA: Check the part number on your current hydraulic pump — if it reads 2545147 or 254-5147, this is the correct replacement. If the label is worn or missing, provide your loader serial number and we will verify compatibility before you order.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Does this pump come with mounting hardware or gaskets included?\u003c\/strong\u003e\u003cbr\u003eA: The pump is supplied as a complete unit. Depending on your wheel loader configuration, you may need separate mounting bolts, gaskets, or O-rings. Contact us with your serial number and we will confirm exactly what is included and what additional parts you may need for installation.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What is the warranty on this hydraulic piston pump?\u003c\/strong\u003e\u003cbr\u003eA: This piston pump comes with a 12-month warranty covering manufacturing defects. The warranty does not cover damage caused by contaminated hydraulic oil, improper installation, failure to flush the hydraulic system, or using non-CAT approved hydraulic fluids.\u003c\/p\u003e\n\u003cp\u003eLooking for this hydraulic pump? Contact us today for pricing, availability, and lead time information.\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"\/pages\/contact\"\u003eRequest a Quote\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eRelated Products\u003c\/h3\u003e\n\u003cp\u003eExplore our full range of \u003ca href=\"\/collections\/construction-machinery-caterpillar\"\u003eCaterpillar piston pumps\u003c\/a\u003e.\u003c\/p\u003e","brand":"Caterpillar","offers":[{"title":"Default Title","offer_id":46642185732252,"sku":"CAT-2545147","price":0.0,"currency_code":"CNY","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0738\/7385\/0524\/files\/254-51471.jpg?v=1775566428"},{"product_id":"cat-330d-336d-m330d-piston-pump-2590815-259-0815","title":"CAT 2590815 (259-0815) Piston Pump | Fits 330D 336D M330D Excavator","description":"\u003ch2\u003eCAT 2590815 (259-0815) Piston Pump | Fits 330D 336D M330D Excavator\u003c\/h2\u003e\n\u003cp\u003ePremium hydraulic piston pump designed as a direct OEM-compatible replacement for Caterpillar 330D, 336D, and M330D excavators. Built to deliver consistent hydraulic performance and long service life in demanding mining, quarry, and heavy excavation applications.\u003c\/p\u003e\n\u003ch3\u003eProduct Highlights\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e 2590815 \/ 259-0815\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDirect Fit:\u003c\/strong\u003e No modifications required\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh Performance:\u003c\/strong\u003e Meets or exceeds original Caterpillar specifications\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurable Construction:\u003c\/strong\u003e Precision-engineered for long service life\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWide Application:\u003c\/strong\u003e Suitable for mining, quarry, and heavy excavation projects\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e 2590815 \/ 259-0815\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Type:\u003c\/strong\u003e Variable Displacement Piston Pump\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand Compatibility:\u003c\/strong\u003e Caterpillar (CAT)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Hydraulic System\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 12 Months\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eCompatible Models\u003c\/h3\u003e\n\u003cp\u003eThis piston pump fits the following Caterpillar excavators:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eCaterpillar 330D Excavator\u003c\/li\u003e\n\u003cli\u003eCaterpillar 336D Excavator\u003c\/li\u003e\n\u003cli\u003eCaterpillar M330D Excavator\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eExcavator Boom and Arm Hydraulic Circuits\u003c\/li\u003e\n\u003cli\u003eExcavator Bucket and Slewing Functions\u003c\/li\u003e\n\u003cli\u003eHeavy-Duty Digging and Trenching Operations\u003c\/li\u003e\n\u003cli\u003eMining, Quarry, and Heavy Excavation Projects\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhy Choose This Pump?\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eQuality Guaranteed - Manufactured to meet OEM standards\u003c\/li\u003e\n\u003cli\u003eReady to Ship - In stock and available for immediate dispatch\u003c\/li\u003e\n\u003cli\u003eExpert Support - Technical assistance available\u003c\/li\u003e\n\u003cli\u003eCompetitive Pricing - Cost-effective alternative to dealer parts\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What are the symptoms of a failing hydraulic piston pump on CAT 330D, 336D, or M330D excavators?\u003c\/strong\u003e\u003cbr\u003eA: Common signs include slow or weak boom, arm, and bucket response, the excavator struggling to dig or lift under load, hydraulic oil overheating during normal operation, whining or knocking noise from the pump area, and visible external hydraulic fluid leakage around the pump housing. The 330D, 336D, and M330D are 30–36 ton class excavators used in heavy excavation, quarry, and mining — a failing main pump will cause significant productivity loss across all hydraulic functions.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Does the 2590815 fit all three models — 330D, 336D, and M330D?\u003c\/strong\u003e\u003cbr\u003eA: Yes, the 2590815 (259-0815) is designed as a direct OEM-compatible replacement for the CAT 330D, 336D, and M330D hydraulic excavators. All three share the same pump mounting and hydraulic system architecture. The M330D is a material handler variant with similar hydraulic demands. Contact us with your excavator serial number to confirm exact compatibility.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What hydraulic functions does this pump support?\u003c\/strong\u003e\u003cbr\u003eA: As the main hydraulic pump on the 330D, 336D, and M330D, it supplies flow to all major hydraulic circuits — boom, arm, bucket, swing, and travel functions. A failing main pump causes weak or slow operation across all functions simultaneously. If only one function is affected, the problem may be a control valve rather than the pump itself.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Should I flush the hydraulic system when replacing this pump?\u003c\/strong\u003e\u003cbr\u003eA: Always. Flushing the hydraulic system is essential. Metal particles and contaminants from the old pump can destroy a new pump within hours. Drain and replace all hydraulic oil, flush the system with clean oil, replace all filters, and refill with fresh Cat HYDO Advanced hydraulic oil. We strongly recommend professional installation by a qualified technician or CAT dealer service center.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What type of hydraulic oil is recommended for the 330D, 336D, and M330D?\u003c\/strong\u003e\u003cbr\u003eA: Caterpillar specifies Cat HYDO Advanced 10W or 30W depending on ambient operating temperature. Using non-CAT approved hydraulic fluids can cause immediate pump failure, accelerated wear, and void the warranty. Always use fresh, clean Cat-approved hydraulic oil when replacing the pump.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How do I confirm this is the correct pump for my excavator?\u003c\/strong\u003e\u003cbr\u003eA: Check the part number on your current hydraulic pump — if it reads 2590815 or 259-0815, this is the correct replacement. If the label is worn or missing, provide your excavator serial number and we will verify compatibility before you order.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Does this pump come with mounting hardware or gaskets included?\u003c\/strong\u003e\u003cbr\u003eA: The pump is supplied as a complete unit. Depending on your excavator configuration, you may need separate mounting bolts, gaskets, or O-rings. Contact us with your serial number and we will confirm exactly what is included and what additional parts you may need for installation.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What is the warranty on this hydraulic piston pump?\u003c\/strong\u003e\u003cbr\u003eA: This piston pump comes with a 12-month warranty covering manufacturing defects. The warranty does not cover damage caused by contaminated hydraulic oil, improper installation, failure to flush the hydraulic system, or using non-CAT approved hydraulic fluids.\u003c\/p\u003e\n\u003cp\u003eLooking for this hydraulic pump? Contact us today for pricing, availability, and lead time information.\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"\/pages\/contact\"\u003eRequest a Quote\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eRelated Products\u003c\/h3\u003e\n\u003cp\u003eExplore our full range of \u003ca href=\"\/collections\/construction-machinery-caterpillar\"\u003eCaterpillar piston pumps\u003c\/a\u003e.\u003c\/p\u003e","brand":"Caterpillar","offers":[{"title":"Default Title","offer_id":46642192973980,"sku":"CAT-2590815","price":0.0,"currency_code":"CNY","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0738\/7385\/0524\/files\/259-08151.jpg?v=1775567074"},{"product_id":"cat-345d-piston-pump-2959426-295-9426","title":"CAT 2959426 (295-9426) Piston Pump | Fits 345D Excavator","description":"\u003ch2\u003eCAT 2959426 (295-9426) Piston Pump | Fits 345D Excavator\u003c\/h2\u003e\n\u003cp\u003ePremium hydraulic piston pump designed as a direct OEM-compatible replacement for Caterpillar 345D excavator. Built to deliver consistent hydraulic performance and long service life in demanding mining, quarry, and heavy excavation applications.\u003c\/p\u003e\n\u003ch3\u003eProduct Highlights\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e 2959426 \/ 295-9426\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDirect Fit:\u003c\/strong\u003e No modifications required\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh Performance:\u003c\/strong\u003e Meets or exceeds original Caterpillar specifications\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurable Construction:\u003c\/strong\u003e Precision-engineered for long service life\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWide Application:\u003c\/strong\u003e Suitable for mining, quarry, and heavy excavation projects\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e 2959426 \/ 295-9426\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Type:\u003c\/strong\u003e Variable Displacement Piston Pump\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand Compatibility:\u003c\/strong\u003e Caterpillar (CAT)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Hydraulic System\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 12 Months\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eCompatible Models\u003c\/h3\u003e\n\u003cp\u003eThis piston pump fits the following Caterpillar excavator:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eCaterpillar 345D Excavator\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eExcavator Boom and Arm Hydraulic Circuits\u003c\/li\u003e\n\u003cli\u003eExcavator Bucket and Slewing Functions\u003c\/li\u003e\n\u003cli\u003eHeavy-Duty Digging and Trenching Operations\u003c\/li\u003e\n\u003cli\u003eMining, Quarry, and Heavy Excavation Projects\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhy Choose This Pump?\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eQuality Guaranteed - Manufactured to meet OEM standards\u003c\/li\u003e\n\u003cli\u003eReady to Ship - In stock and available for immediate dispatch\u003c\/li\u003e\n\u003cli\u003eExpert Support - Technical assistance available\u003c\/li\u003e\n\u003cli\u003eCompetitive Pricing - Cost-effective alternative to dealer parts\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What are the symptoms of a failing hydraulic piston pump on a CAT 345D excavator?\u003c\/strong\u003e\u003cbr\u003eA: Common signs include slow or weak boom, arm, and bucket response, the excavator struggling to dig or lift under load, hydraulic oil overheating during normal operation, whining or knocking noise from the pump area, and visible hydraulic fluid leakage around the pump housing. The 345D is a 45-ton class excavator used in heavy excavation and mining — a failing main pump causes severe productivity loss across all hydraulic functions.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Which CAT models does the 2959426 piston pump fit?\u003c\/strong\u003e\u003cbr\u003eA: The 2959426 (295-9426) is designed as a direct OEM-compatible replacement for the CAT 345D hydraulic excavator. Contact us with your excavator serial number to confirm exact compatibility — some 345D configurations may use a different pump variant depending on serial number range.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What hydraulic functions does this pump support on the 345D?\u003c\/strong\u003e\u003cbr\u003eA: As the main hydraulic pump, it supplies flow to all major hydraulic circuits — boom, arm, bucket, swing, and travel functions. A failing main pump causes weak or slow operation across all functions simultaneously. If only one function is weak, check the control valve first before replacing the pump.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Should I flush the hydraulic system when replacing this pump?\u003c\/strong\u003e\u003cbr\u003eA: Always. Flushing is essential — metal contaminants from the old pump can destroy the new pump within hours. Drain and replace all hydraulic oil, flush the system with clean oil, replace all filters, and refill with fresh Cat HYDO Advanced hydraulic oil. We recommend professional installation by a qualified technician or CAT dealer service center.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What type of hydraulic oil is recommended for the CAT 345D?\u003c\/strong\u003e\u003cbr\u003eA: Caterpillar specifies Cat HYDO Advanced 10W or 30W depending on ambient operating temperature. For a 45-ton excavator working in mining or quarry applications under constant heavy load, using non-CAT approved fluids can cause accelerated pump wear and void the warranty.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How do I confirm this is the correct pump for my 345D?\u003c\/strong\u003e\u003cbr\u003eA: Check the part number on your current hydraulic pump — if it reads 2959426 or 295-9426, this is the correct replacement. If the label is worn or missing, provide your 345D serial number and we will verify compatibility before you order.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Does this pump come with mounting hardware or gaskets included?\u003c\/strong\u003e\u003cbr\u003eA: The pump is supplied as a complete unit. Depending on your 345D configuration, you may need separate mounting bolts, gaskets, or O-rings. Contact us with your serial number and we will confirm exactly what is included and what additional parts you may need.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What is the warranty on this hydraulic piston pump?\u003c\/strong\u003e\u003cbr\u003eA: This piston pump comes with a 12-month warranty covering manufacturing defects. The warranty does not cover damage caused by contaminated hydraulic oil, improper installation, failure to flush the hydraulic system, or using non-CAT approved hydraulic fluids.\u003c\/p\u003e\n\u003cp\u003eLooking for this hydraulic pump? Contact us today for pricing, availability, and lead time information.\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"\/pages\/contact\"\u003eRequest a Quote\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eRelated Products\u003c\/h3\u003e\n\u003cp\u003eExplore our full range of \u003ca href=\"\/collections\/construction-machinery-caterpillar\"\u003eCaterpillar piston pumps\u003c\/a\u003e.\u003c\/p\u003e","brand":"Caterpillar","offers":[{"title":"Default Title","offer_id":46642195595420,"sku":"CAT-2959426","price":0.0,"currency_code":"CNY","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0738\/7385\/0524\/files\/295-94261.jpg?v=1775567588"},{"product_id":"cat-416e-416f-422f-428f-434f-piston-pump-3073063-307-3063","title":"CAT 3073063 (307-3063) Piston Pump | Fits 415F2 416E 416F 422F 426F2 428F 434F Backhoe Loader","description":"\u003ch2\u003eCAT 3073063 (307-3063) Piston Pump | Fits 415F2 416E 416F 422F 426F2 428F 434F Backhoe Loader\u003c\/h2\u003e\n\u003cp\u003ePremium hydraulic piston pump designed as a direct OEM-compatible replacement for Caterpillar 415F2, 416E, 416F, 422F, 426F2, 428F, and 434F backhoe loaders. Built to deliver consistent hydraulic performance and long service life in demanding construction, utility, and municipal applications.\u003c\/p\u003e\n\u003ch3\u003eProduct Highlights\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e 3073063 \/ 307-3063\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDirect Fit:\u003c\/strong\u003e No modifications required\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh Performance:\u003c\/strong\u003e Meets or exceeds original Caterpillar specifications\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurable Construction:\u003c\/strong\u003e Precision-engineered for long service life\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWide Application:\u003c\/strong\u003e Suitable for construction, utility, and municipal projects\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e 3073063 \/ 307-3063\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Type:\u003c\/strong\u003e Variable Displacement Piston Pump\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand Compatibility:\u003c\/strong\u003e Caterpillar (CAT)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Hydraulic System\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 12 Months\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eCompatible Models\u003c\/h3\u003e\n\u003cp\u003eThis piston pump fits the following Caterpillar backhoe loaders:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eCaterpillar 415F2 Backhoe Loader\u003c\/li\u003e\n\u003cli\u003eCaterpillar 416E Backhoe Loader\u003c\/li\u003e\n\u003cli\u003eCaterpillar 416F Backhoe Loader\u003c\/li\u003e\n\u003cli\u003eCaterpillar 422F Backhoe Loader\u003c\/li\u003e\n\u003cli\u003eCaterpillar 426F2 Backhoe Loader\u003c\/li\u003e\n\u003cli\u003eCaterpillar 428F Backhoe Loader\u003c\/li\u003e\n\u003cli\u003eCaterpillar 434F Backhoe Loader\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eBackhoe Loader Lift and Tilt Functions\u003c\/li\u003e\n\u003cli\u003eBackhoe Loader Dig and Swing Circuits\u003c\/li\u003e\n\u003cli\u003eHeavy-Duty Excavation and Loading Operations\u003c\/li\u003e\n\u003cli\u003eConstruction, Utility, and Municipal Projects\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhy Choose This Pump?\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eQuality Guaranteed - Manufactured to meet OEM standards\u003c\/li\u003e\n\u003cli\u003eReady to Ship - In stock and available for immediate dispatch\u003c\/li\u003e\n\u003cli\u003eExpert Support - Technical assistance available\u003c\/li\u003e\n\u003cli\u003eCompetitive Pricing - Cost-effective alternative to dealer parts\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What are the symptoms of a failing hydraulic piston pump on CAT 415F2, 416E, 416F, 422F, 426F2, 428F, or 434F backhoe loaders?\u003c\/strong\u003e\u003cbr\u003eA: Common signs include slow or weak loader lift and tilt response, the backhoe dig function losing power, hydraulic oil overheating, whining or knocking from the pump area, and visible hydraulic fluid leakage. Backhoe loaders perform dual functions — front loader and rear backhoe — so pump failure affects both loader bucket and digging arm performance simultaneously.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Does the 3073063 fit all seven backhoe loader models?\u003c\/strong\u003e\u003cbr\u003eA: Yes, the 3073063 (307-3063) is designed as a direct OEM-compatible replacement for CAT 415F2, 416E, 416F, 422F, 426F2, 428F, and 434F backhoe loaders. These models share the same pump mounting and hydraulic system architecture. Contact us with your backhoe serial number to confirm exact compatibility.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What hydraulic functions does this pump support on a backhoe loader?\u003c\/strong\u003e\u003cbr\u003eA: As the main hydraulic pump, it supplies flow to both front loader circuits (lift, tilt) and rear backhoe circuits (boom, stick, bucket, swing). It also supports auxiliary functions such as stabilizer legs and steering. A failing pump causes weak operation across all these functions — if only the loader or only the backhoe is affected, check for a control valve issue first.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Should I flush the hydraulic system when replacing this pump?\u003c\/strong\u003e\u003cbr\u003eA: Always. Flushing is essential — metal contaminants from the old pump can destroy the new pump within hours. Drain and replace all hydraulic oil, flush the system, replace all filters, and refill with fresh Cat HYDO Advanced hydraulic oil. Backhoe loaders work in construction and utility environments where contamination risk is high — a thorough flush is critical.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What type of hydraulic oil is recommended for these backhoe loaders?\u003c\/strong\u003e\u003cbr\u003eA: Caterpillar specifies Cat HYDO Advanced 10W or 30W depending on operating temperature. Backhoe loaders perform varied tasks — digging, loading, lifting — and the hydraulic system operates under frequent load changes. Using non-CAT approved fluids can cause pump wear and void the warranty.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How do I confirm this is the correct pump for my backhoe loader?\u003c\/strong\u003e\u003cbr\u003eA: Check the part number on your current pump — if it reads 3073063 or 307-3063, this is the correct replacement. If the label is worn, provide your backhoe serial number and we will verify compatibility before you order.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Does this pump come with mounting hardware or gaskets included?\u003c\/strong\u003e\u003cbr\u003eA: The pump is supplied as a complete unit. Depending on your backhoe configuration, you may need separate mounting bolts, gaskets, or O-rings. Contact us with your serial number and we will confirm what is included and what additional parts you may need.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What is the warranty on this hydraulic piston pump?\u003c\/strong\u003e\u003cbr\u003eA: This piston pump comes with a 12-month warranty covering manufacturing defects. The warranty does not cover damage caused by contaminated hydraulic oil, improper installation, failure to flush the hydraulic system, or using non-CAT approved hydraulic fluids.\u003c\/p\u003e\n\u003cp\u003eLooking for this hydraulic pump? Contact us today for pricing, availability, and lead time information.\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"\/pages\/contact\"\u003eRequest a Quote\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eRelated Products\u003c\/h3\u003e\n\u003cp\u003eExplore our full range of \u003ca href=\"\/collections\/construction-machinery-caterpillar\"\u003eCaterpillar piston pumps\u003c\/a\u003e.\u003c\/p\u003e","brand":"Caterpillar","offers":[{"title":"Default Title","offer_id":46642556141724,"sku":"CAT-3073063","price":0.0,"currency_code":"CNY","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0738\/7385\/0524\/files\/307-30631_df164534-2cc6-4396-a055-421b0d87822a.jpg?v=1777210333"},{"product_id":"cat-950gc-950h-962h-piston-pump-3678076-367-8076","title":"CAT 3678076 (367-8076) Piston Pump | Fits 950GC 950H 962H Wheel Loader","description":"\u003ch2\u003eCAT 3678076 (367-8076) Piston Pump | Fits 950GC 950H 962H Wheel Loader\u003c\/h2\u003e\n\u003cp\u003ePremium hydraulic piston pump designed as a direct OEM-compatible replacement for Caterpillar 950GC, 950H, and 962H wheel loaders. Built to deliver consistent hydraulic performance and long service life in demanding mining, quarry, and construction applications.\u003c\/p\u003e\n\u003ch3\u003eProduct Highlights\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e 3678076 \/ 367-8076\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDirect Fit:\u003c\/strong\u003e No modifications required\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh Performance:\u003c\/strong\u003e Meets or exceeds original Caterpillar specifications\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurable Construction:\u003c\/strong\u003e Precision-engineered for long service life\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWide Application:\u003c\/strong\u003e Suitable for mining, quarry, and construction projects\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e 3678076 \/ 367-8076\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Type:\u003c\/strong\u003e Variable Displacement Piston Pump\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand Compatibility:\u003c\/strong\u003e Caterpillar (CAT)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Hydraulic System\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 12 Months\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eCompatible Models\u003c\/h3\u003e\n\u003cp\u003eThis piston pump fits the following Caterpillar wheel loaders:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eCaterpillar 950GC Wheel Loader\u003c\/li\u003e\n\u003cli\u003eCaterpillar 950H Wheel Loader\u003c\/li\u003e\n\u003cli\u003eCaterpillar 962H Wheel Loader\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eWheel Loader Lift and Tilt Functions\u003c\/li\u003e\n\u003cli\u003eWheel Loader Drive and Steering Systems\u003c\/li\u003e\n\u003cli\u003eHeavy-Duty Loading and Digging Operations\u003c\/li\u003e\n\u003cli\u003eMining, Quarry, and Construction Projects\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhy Choose This Pump?\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eQuality Guaranteed - Manufactured to meet OEM standards\u003c\/li\u003e\n\u003cli\u003eReady to Ship - In stock and available for immediate dispatch\u003c\/li\u003e\n\u003cli\u003eExpert Support - Technical assistance available\u003c\/li\u003e\n\u003cli\u003eCompetitive Pricing - Cost-effective alternative to dealer parts\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What are the symptoms of a failing hydraulic piston pump on CAT 950GC, 950H, or 962H wheel loaders?\u003c\/strong\u003e\u003cbr\u003eA: Common signs include slow or weak lift and tilt response, the loader bucket hesitating or stalling when raising heavy loads, hydraulic oil overheating during normal loading cycles, whining or knocking noise from the pump area, and visible hydraulic fluid leakage. The 950GC\/950H\/962H are mid-to-large wheel loaders used in construction, quarry, and material handling — pump failure causes immediate productivity loss.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Does the 3678076 fit all three wheel loader models?\u003c\/strong\u003e\u003cbr\u003eA: Yes, the 3678076 (367-8076) is designed as a direct OEM-compatible replacement for the CAT 950GC, 950H, and 962H wheel loaders. These models share the same pump mounting and hydraulic system architecture. Contact us with your loader serial number to confirm exact compatibility.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What hydraulic functions does this pump support?\u003c\/strong\u003e\u003cbr\u003eA: As the main hydraulic pump, it supplies flow to the lift and tilt circuits (bucket functions), steering system, and any auxiliary circuits. Wheel loaders perform repeated loading cycles — pump failure causes the bucket to hesitate, move slowly, or fail to lift full loads, directly reducing loading cycle efficiency and tons per hour.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Should I flush the hydraulic system when replacing this pump?\u003c\/strong\u003e\u003cbr\u003eA: Always. Flushing is essential — metal particles and contaminants from the old pump can destroy the new pump within hours. Drain and replace all hydraulic oil, flush the system with clean oil, replace all filters, and refill with fresh Cat HYDO Advanced hydraulic oil. We recommend professional installation by a qualified technician.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What type of hydraulic oil is recommended for the 950GC, 950H, and 962H?\u003c\/strong\u003e\u003cbr\u003eA: Caterpillar specifies Cat HYDO Advanced 10W or 30W depending on ambient operating temperature. Wheel loaders in construction and quarry operations are under constant heavy load — using non-CAT approved hydraulic fluids can cause immediate pump failure and void the warranty.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How do I confirm this is the correct pump for my wheel loader?\u003c\/strong\u003e\u003cbr\u003eA: Check the part number on your current hydraulic pump — if it reads 3678076 or 367-8076, this is the correct replacement. If the label is worn or missing, provide your loader serial number and we will verify compatibility before you order.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Does this pump come with mounting hardware or gaskets included?\u003c\/strong\u003e\u003cbr\u003eA: The pump is supplied as a complete unit. Depending on your wheel loader configuration, you may need separate mounting bolts, gaskets, or O-rings. Contact us with your serial number and we will confirm exactly what is included and what additional parts you may need for installation.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What is the warranty on this hydraulic piston pump?\u003c\/strong\u003e\u003cbr\u003eA: This piston pump comes with a 12-month warranty covering manufacturing defects. The warranty does not cover damage caused by contaminated hydraulic oil, improper installation, failure to flush the hydraulic system, or using non-CAT approved hydraulic fluids.\u003c\/p\u003e\n\u003cp\u003eLooking for this hydraulic pump? Contact us today for pricing, availability, and lead time information.\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"\/pages\/contact\"\u003eRequest a Quote\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eRelated Products\u003c\/h3\u003e\n\u003cp\u003eExplore our full range of \u003ca href=\"\/collections\/construction-machinery-caterpillar\"\u003eCaterpillar piston pumps\u003c\/a\u003e.\u003c\/p\u003e","brand":"Caterpillar","offers":[{"title":"Default Title","offer_id":46642940575900,"sku":"CAT-3678076","price":0.0,"currency_code":"CNY","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0738\/7385\/0524\/files\/367-80761.jpg?v=1775572269"},{"product_id":"cat-308e-308e2-piston-pump-3976960-397-6960","title":"CAT 3976960 (397-6960) Piston Pump | Fits 308E 308E2 Mini Excavator","description":"\u003ch2\u003eCAT 3976960 (397-6960) Piston Pump | Fits 308E 308E2 Mini Excavator\u003c\/h2\u003e\n\u003cp\u003ePremium hydraulic piston pump designed as a direct OEM-compatible replacement for Caterpillar 308E and 308E2 mini excavators. Built to deliver consistent hydraulic performance and long service life in demanding construction, utility, and landscaping applications.\u003c\/p\u003e\n\u003ch3\u003eProduct Highlights\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e 3976960 \/ 397-6960\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDirect Fit:\u003c\/strong\u003e No modifications required\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh Performance:\u003c\/strong\u003e Meets or exceeds original Caterpillar specifications\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurable Construction:\u003c\/strong\u003e Precision-engineered for long service life\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWide Application:\u003c\/strong\u003e Suitable for construction, utility, and landscaping projects\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e 3976960 \/ 397-6960\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Type:\u003c\/strong\u003e Variable Displacement Piston Pump\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand Compatibility:\u003c\/strong\u003e Caterpillar (CAT)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Hydraulic System\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 12 Months\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eCompatible Models\u003c\/h3\u003e\n\u003cp\u003eThis piston pump fits the following Caterpillar mini excavators:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eCaterpillar 308E Mini Excavator\u003c\/li\u003e\n\u003cli\u003eCaterpillar 308E2 Mini Excavator\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eMini Excavator Boom and Arm Hydraulic Circuits\u003c\/li\u003e\n\u003cli\u003eMini Excavator Bucket and Slewing Functions\u003c\/li\u003e\n\u003cli\u003eHeavy-Duty Digging and Trenching Operations\u003c\/li\u003e\n\u003cli\u003eConstruction, Utility, and Landscaping Projects\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhy Choose This Pump?\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eQuality Guaranteed - Manufactured to meet OEM standards\u003c\/li\u003e\n\u003cli\u003eReady to Ship - In stock and available for immediate dispatch\u003c\/li\u003e\n\u003cli\u003eExpert Support - Technical assistance available\u003c\/li\u003e\n\u003cli\u003eCompetitive Pricing - Cost-effective alternative to dealer parts\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What are the symptoms of a failing hydraulic piston pump on CAT 308E or 308E2 mini excavators?\u003c\/strong\u003e\u003cbr\u003eA: Common signs include slow or weak boom and arm response, the mini excavator struggling to dig or lift, hydraulic oil overheating during continuous operation, whining or knocking noise from the pump area, and visible hydraulic fluid leakage. The 308E and 308E2 are compact 8-ton class machines — even a slight loss of hydraulic power is noticeable in tight-site operations like utility trenching and landscaping.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Does the 3976960 fit both the 308E and 308E2 mini excavators?\u003c\/strong\u003e\u003cbr\u003eA: Yes, the 3976960 (397-6960) is designed as a direct OEM-compatible replacement for both the CAT 308E and 308E2 mini excavators. These models share the same pump mounting and hydraulic system. Contact us with your mini excavator serial number to confirm exact compatibility.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What hydraulic functions does this pump support on a mini excavator?\u003c\/strong\u003e\u003cbr\u003eA: As the main hydraulic pump on the 308E and 308E2, it supplies flow to the boom, arm, bucket, swing, and travel circuits. Mini excavators often work in confined spaces where precise hydraulic control is critical — a worn pump makes fine grading and trenching operations noticeably less accurate and efficient.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Should I flush the hydraulic system when replacing this pump?\u003c\/strong\u003e\u003cbr\u003eA: Always. Flushing is essential even on mini excavators — metal contaminants from the old pump can destroy the new pump within hours. Drain and replace all hydraulic oil, flush the system with clean oil, replace all filters, and refill with fresh Cat HYDO Advanced hydraulic oil.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What type of hydraulic oil is recommended for the 308E and 308E2?\u003c\/strong\u003e\u003cbr\u003eA: Caterpillar specifies Cat HYDO Advanced 10W for most operating conditions, or 30W for high-temperature environments. Mini excavators working in landscaping and utility applications should use Cat-approved fluids to ensure long pump life and maintain warranty coverage.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How do I confirm this is the correct pump for my mini excavator?\u003c\/strong\u003e\u003cbr\u003eA: Check the part number on your current pump — if it reads 3976960 or 397-6960, this is the correct replacement. If the label is worn or missing, provide your 308E or 308E2 serial number and we will verify compatibility before you order.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Does this pump come with mounting hardware or gaskets included?\u003c\/strong\u003e\u003cbr\u003eA: The pump is supplied as a complete unit. Depending on your mini excavator configuration, you may need separate mounting bolts, gaskets, or O-rings. Contact us with your serial number and we will confirm what is included and what additional parts you may need for installation.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What is the warranty on this hydraulic piston pump?\u003c\/strong\u003e\u003cbr\u003eA: This piston pump comes with a 12-month warranty covering manufacturing defects. The warranty does not cover damage caused by contaminated hydraulic oil, improper installation, failure to flush the hydraulic system, or using non-CAT approved hydraulic fluids.\u003c\/p\u003e\n\u003cp\u003eLooking for this hydraulic pump? Contact us today for pricing, availability, and lead time information.\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"\/pages\/contact\"\u003eRequest a Quote\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eRelated Products\u003c\/h3\u003e\n\u003cp\u003eExplore our full range of \u003ca href=\"\/collections\/construction-machinery-caterpillar\"\u003eCaterpillar piston pumps\u003c\/a\u003e.\u003c\/p\u003e","brand":"Caterpillar","offers":[{"title":"Default Title","offer_id":46643158483100,"sku":"CAT-3976960","price":0.0,"currency_code":"CNY","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0738\/7385\/0524\/files\/397-69601.jpg?v=1775572949"},{"product_id":"cat-836h-988h-834h-piston-pump-2283636-228-3636","title":"CAT 2283636 (228-3636) Piston Pump | Fits 836H 988H 834H Wheel Loader","description":"\u003ch2\u003eCAT 2283636 (228-3636) Piston Pump | Fits 836H 988H 834H Wheel Loader\u003c\/h2\u003e\n\u003cp\u003ePremium hydraulic piston pump designed as a direct OEM-compatible replacement for Caterpillar 836H, 988H, and 834H wheel loaders. Built to deliver consistent hydraulic performance and long service life in demanding mining, quarry, and construction applications.\u003c\/p\u003e\n\u003ch3\u003eProduct Highlights\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e 2283636 \/ 228-3636\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDirect Fit:\u003c\/strong\u003e No modifications required\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh Performance:\u003c\/strong\u003e Meets or exceeds original Caterpillar specifications\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurable Construction:\u003c\/strong\u003e Precision-engineered for long service life\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWide Application:\u003c\/strong\u003e Suitable for mining, quarry, and construction projects\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e 2283636 \/ 228-3636\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Type:\u003c\/strong\u003e Variable Displacement Piston Pump\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand Compatibility:\u003c\/strong\u003e Caterpillar (CAT)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Hydraulic System\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 12 Months\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eCompatible Models\u003c\/h3\u003e\n\u003cp\u003eThis piston pump fits the following Caterpillar wheel loaders:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eCaterpillar 836H Wheel Loader\u003c\/li\u003e\n\u003cli\u003eCaterpillar 988H Wheel Loader\u003c\/li\u003e\n\u003cli\u003eCaterpillar 834H Wheel Loader\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eWheel Loader Lift and Tilt Functions\u003c\/li\u003e\n\u003cli\u003eWheel Loader Drive and Steering Systems\u003c\/li\u003e\n\u003cli\u003eHeavy-Duty Loading and Digging Operations\u003c\/li\u003e\n\u003cli\u003eMining, Quarry, and Construction Projects\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhy Choose This Pump?\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eQuality Guaranteed - Manufactured to meet OEM standards\u003c\/li\u003e\n\u003cli\u003eReady to Ship - In stock and available for immediate dispatch\u003c\/li\u003e\n\u003cli\u003eExpert Support - Technical assistance available\u003c\/li\u003e\n\u003cli\u003eCompetitive Pricing - Cost-effective alternative to dealer parts\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What are the symptoms of a failing hydraulic piston pump on CAT 836H, 988H, or 834H wheel loaders?\u003c\/strong\u003e\u003cbr\u003eA: Common signs include slow or weak lift and tilt response (bucket hesitates or stalls when raising heavy loads), the loader struggling during loading cycles, hydraulic oil overheating, whining or knocking from the pump area, and visible hydraulic fluid leakage. The 988H is a large 26-ton wheel loader used in high-production mining and quarry loading — pump failure causes significant throughput loss.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Does the 2283636 fit all three models — 836H, 988H, and 834H?\u003c\/strong\u003e\u003cbr\u003eA: Yes, the 2283636 (228-3636) is designed as a direct OEM-compatible replacement for the CAT 836H, 988H, and 834H wheel loaders. These models share the same pump mounting and hydraulic system architecture. Contact us with your loader serial number to confirm exact compatibility.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What hydraulic functions does this pump support on a wheel loader?\u003c\/strong\u003e\u003cbr\u003eA: As the main hydraulic pump, it supplies flow to the lift and tilt circuits (bucket functions), steering system, and any auxiliary circuits. In high-production loading applications like the 988H in mining, the pump operates continuously under heavy load — any performance loss directly reduces loading cycle efficiency and tonnage per hour.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Should I flush the hydraulic system when replacing this pump?\u003c\/strong\u003e\u003cbr\u003eA: Always. Flushing is essential — metal particles from the old pump can destroy the new pump within hours. Drain and replace all hydraulic oil, flush the system with clean oil, replace all filters, and refill with fresh Cat HYDO Advanced hydraulic oil. For large wheel loaders like the 988H, we strongly recommend professional installation.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What type of hydraulic oil is recommended for these wheel loaders?\u003c\/strong\u003e\u003cbr\u003eA: Caterpillar specifies Cat HYDO Advanced 10W or 30W depending on operating temperature. Wheel loaders in mining and quarry operations are under constant heavy load — using non-CAT approved hydraulic fluids can cause immediate pump failure and void the warranty.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How do I confirm this is the correct pump for my wheel loader?\u003c\/strong\u003e\u003cbr\u003eA: Check the part number on your current pump — if it reads 2283636 or 228-3636, this is the correct replacement. If the label is worn or missing, provide your loader serial number and we will verify compatibility before you order.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Does this pump come with mounting hardware or gaskets included?\u003c\/strong\u003e\u003cbr\u003eA: The pump is supplied as a complete unit. Depending on your loader configuration, you may need separate mounting bolts, gaskets, or O-rings. Contact us with your serial number and we will confirm what is included and what additional parts you may need.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What is the warranty on this hydraulic piston pump?\u003c\/strong\u003e\u003cbr\u003eA: This piston pump comes with a 12-month warranty covering manufacturing defects. The warranty does not cover damage caused by contaminated hydraulic oil, improper installation, failure to flush the hydraulic system, or using non-CAT approved hydraulic fluids.\u003c\/p\u003e\n\u003cp\u003eLooking for this hydraulic pump? Contact us today for pricing, availability, and lead time information.\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"\/pages\/contact\"\u003eRequest a Quote\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eRelated Products\u003c\/h3\u003e\n\u003cp\u003eExplore our full range of \u003ca href=\"\/collections\/construction-machinery-caterpillar\"\u003eCaterpillar piston pumps\u003c\/a\u003e.\u003c\/p\u003e","brand":"Caterpillar","offers":[{"title":"Default Title","offer_id":46643215794332,"sku":"CAT-2283636","price":0.0,"currency_code":"CNY","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0738\/7385\/0524\/files\/228-36361.jpg?v=1775573426"},{"product_id":"cat-340-345gc-336-374-336mhpu-mh3250-piston-pump-5649801-564-9801","title":"CAT 5649801 (564-9801) Piston Pump | Fits 340 345GC 336 374 336MHPU MH3250","description":"\u003ch2\u003eCAT 5649801 (564-9801) Piston Pump | Fits 340 345GC 336 374 336MHPU MH3250 Excavator\u003c\/h2\u003e\n\u003cp\u003ePremium hydraulic piston pump designed as a direct OEM-compatible replacement for Caterpillar 340, 345GC, 336, 374 excavators and 336MHPU, MH3250 material handlers. Built to deliver consistent hydraulic performance and long service life in demanding mining, quarry, and heavy construction applications.\u003c\/p\u003e\n\u003ch3\u003eProduct Highlights\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e 5649801 \/ 564-9801\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDirect Fit:\u003c\/strong\u003e No modifications required\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh Performance:\u003c\/strong\u003e Meets or exceeds original Caterpillar specifications\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurable Construction:\u003c\/strong\u003e Precision-engineered for long service life\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWide Application:\u003c\/strong\u003e Suitable for mining, quarry, and construction projects\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e 5649801 \/ 564-9801\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Type:\u003c\/strong\u003e Variable Displacement Piston Pump\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand Compatibility:\u003c\/strong\u003e Caterpillar (CAT)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Hydraulic System\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 12 Months\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eCompatible Models\u003c\/h3\u003e\n\u003cp\u003eThis piston pump fits the following Caterpillar machines:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eCaterpillar 340 Excavator\u003c\/li\u003e\n\u003cli\u003eCaterpillar 345GC Excavator\u003c\/li\u003e\n\u003cli\u003eCaterpillar 336 Excavator\u003c\/li\u003e\n\u003cli\u003eCaterpillar 374 Excavator\u003c\/li\u003e\n\u003cli\u003eCaterpillar 336MHPU Material Handler\u003c\/li\u003e\n\u003cli\u003eCaterpillar MH3250 Material Handler\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eExcavator Boom and Arm Hydraulic Circuits\u003c\/li\u003e\n\u003cli\u003eExcavator Bucket and Slewing Functions\u003c\/li\u003e\n\u003cli\u003eHeavy-Duty Digging and Material Handling Operations\u003c\/li\u003e\n\u003cli\u003eMining, Quarry, and Construction Projects\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhy Choose This Pump?\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eQuality Guaranteed - Manufactured to meet OEM standards\u003c\/li\u003e\n\u003cli\u003eReady to Ship - In stock and available for immediate dispatch\u003c\/li\u003e\n\u003cli\u003eExpert Support - Technical assistance available\u003c\/li\u003e\n\u003cli\u003eCompetitive Pricing - Cost-effective alternative to dealer parts\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What are the symptoms of a failing hydraulic piston pump on CAT 340, 345GC, 336, 374 excavators or 336MHPU, MH3250 material handlers?\u003c\/strong\u003e\u003cbr\u003eA: Common signs include slow or weak boom, arm, and bucket response, the machine struggling to dig or lift under load, hydraulic oil overheating, whining or knocking noise from the pump area, and visible hydraulic fluid leakage. This pump covers a wide range of machines — from 36-ton 336 excavators to 74-ton 374 excavators and material handlers — so symptoms will vary based on machine size and application intensity.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Does the 5649801 really fit all six models — 340, 345GC, 336, 374, 336MHPU, and MH3250?\u003c\/strong\u003e\u003cbr\u003eA: Yes, the 5649801 (564-9801) is designed as a direct OEM-compatible replacement for the CAT 340, 345GC, 336, and 374 hydraulic excavators, as well as the 336MHPU and MH3250 material handlers. These models share the same pump mounting interface and hydraulic system architecture. Contact us with your machine serial number to confirm exact compatibility — especially important for the 374, which may have configuration variants.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What hydraulic functions does this pump support on excavators vs. material handlers?\u003c\/strong\u003e\u003cbr\u003eA: On excavators (340, 345GC, 336, 374), it supplies flow to boom, arm, bucket, swing, and travel circuits. On material handlers (336MHPU, MH3250), it supports the grapple or magnet handling circuits, boom and stick functions, and swing. A failing main pump causes weak or slow operation across all hydraulic functions simultaneously on either machine type.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Should I flush the hydraulic system when replacing this pump?\u003c\/strong\u003e\u003cbr\u003eA: Always. Flushing is essential — metal contaminants from the old pump can destroy the new pump within hours. Drain and replace all hydraulic oil, flush the system, replace all filters, and refill with fresh Cat HYDO Advanced hydraulic oil. We strongly recommend professional installation by a qualified technician, especially for the 374 class machines.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What type of hydraulic oil is recommended for these machines?\u003c\/strong\u003e\u003cbr\u003eA: Caterpillar specifies Cat HYDO Advanced 10W or 30W depending on ambient operating temperature. Material handlers in scrap yards and excavators in mining operate under very different conditions, but both require Cat-approved hydraulic fluids. Using non-approved fluids can cause accelerated wear and void the warranty.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How do I confirm this is the correct pump for my machine?\u003c\/strong\u003e\u003cbr\u003eA: Check the part number on your current pump — if it reads 5649801 or 564-9801, this is the correct replacement. If the label is worn, provide your machine serial number and model and we will verify compatibility before you order.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Does this pump come with mounting hardware or gaskets included?\u003c\/strong\u003e\u003cbr\u003eA: The pump is supplied as a complete unit. Depending on your machine configuration, you may need separate mounting bolts, gaskets, or O-rings. Contact us with your serial number and we will confirm what is included and what additional parts you may need.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What is the warranty on this hydraulic piston pump?\u003c\/strong\u003e\u003cbr\u003eA: This piston pump comes with a 12-month warranty covering manufacturing defects. The warranty does not cover damage caused by contaminated hydraulic oil, improper installation, failure to flush the hydraulic system, or using non-CAT approved hydraulic fluids.\u003c\/p\u003e\n\u003cp\u003eLooking for this hydraulic pump? Contact us today for pricing, availability, and lead time information.\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"\/pages\/contact\"\u003eRequest a Quote\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eRelated Products\u003c\/h3\u003e\n\u003cp\u003eExplore our full range of \u003ca href=\"\/collections\/construction-machinery-caterpillar\"\u003eCaterpillar piston pumps\u003c\/a\u003e.\u003c\/p\u003e","brand":"Caterpillar","offers":[{"title":"Default Title","offer_id":46646958227612,"sku":"CAT-5649801","price":0.0,"currency_code":"CNY","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0738\/7385\/0524\/files\/564-98011_0effde42-ece5-4c89-985a-67b38d93c586.jpg?v=1775653282"},{"product_id":"cat-416e-422e-428e-434e-piston-pump-3500666-350-0666","title":"CAT 3500666 (350-0666) Piston Pump | Fits 416E 422E 428E 434E Backhoe Loader","description":"\u003ch2\u003eCAT 3500666 (350-0666) Piston Pump | Fits 416E 422E 428E 434E Backhoe Loader\u003c\/h2\u003e\n\u003cp\u003ePremium hydraulic piston pump designed as a direct OEM-compatible replacement for Caterpillar 416E, 422E, 428E, and 434E backhoe loaders. Built to deliver consistent hydraulic performance and long service life in demanding construction, utility, and municipal applications.\u003c\/p\u003e\n\u003ch3\u003eProduct Highlights\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e 3500666 \/ 350-0666\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDirect Fit:\u003c\/strong\u003e No modifications required\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh Performance:\u003c\/strong\u003e Meets or exceeds original Caterpillar specifications\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurable Construction:\u003c\/strong\u003e Precision-engineered for long service life\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWide Application:\u003c\/strong\u003e Suitable for construction, utility, and municipal projects\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e 3500666 \/ 350-0666\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Type:\u003c\/strong\u003e Variable Displacement Piston Pump\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand Compatibility:\u003c\/strong\u003e Caterpillar (CAT)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Hydraulic System\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 12 Months\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eCompatible Models\u003c\/h3\u003e\n\u003cp\u003eThis piston pump fits the following Caterpillar backhoe loaders:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eCaterpillar 416E Backhoe Loader\u003c\/li\u003e\n\u003cli\u003eCaterpillar 422E Backhoe Loader\u003c\/li\u003e\n\u003cli\u003eCaterpillar 428E Backhoe Loader\u003c\/li\u003e\n\u003cli\u003eCaterpillar 434E Backhoe Loader\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eBackhoe Loader Lift and Tilt Functions\u003c\/li\u003e\n\u003cli\u003eBackhoe Loader Dig and Swing Circuits\u003c\/li\u003e\n\u003cli\u003eHeavy-Duty Excavation and Loading Operations\u003c\/li\u003e\n\u003cli\u003eConstruction, Utility, and Municipal Projects\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhy Choose This Pump?\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eQuality Guaranteed - Manufactured to meet OEM standards\u003c\/li\u003e\n\u003cli\u003eReady to Ship - In stock and available for immediate dispatch\u003c\/li\u003e\n\u003cli\u003eExpert Support - Technical assistance available\u003c\/li\u003e\n\u003cli\u003eCompetitive Pricing - Cost-effective alternative to dealer parts\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What are the symptoms of a failing hydraulic piston pump on CAT 416E, 422E, 428E, or 434E backhoe loaders?\u003c\/strong\u003e\u003cbr\u003eA: Common signs include slow or weak loader lift and tilt response, the backhoe dig function losing power or stalling under load, hydraulic oil overheating during normal operation, whining or knocking noise from the pump area, and visible hydraulic fluid leakage. Backhoe loaders perform dual functions — front loader and rear backhoe — so pump failure affects both loader bucket and digging arm performance simultaneously.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Does the 3500666 fit all four backhoe loader models?\u003c\/strong\u003e\u003cbr\u003eA: Yes, the 3500666 (350-0666) is designed as a direct OEM-compatible replacement for the CAT 416E, 422E, 428E, and 434E backhoe loaders. These models share the same pump mounting and hydraulic system architecture. Contact us with your backhoe serial number to confirm exact compatibility.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What hydraulic functions does this pump support on a backhoe loader?\u003c\/strong\u003e\u003cbr\u003eA: As the main hydraulic pump, it supplies flow to both front loader circuits (lift, tilt) and rear backhoe circuits (boom, stick, bucket, swing). It also supports auxiliary functions such as stabilizer legs and steering. A failing pump causes weak operation across all these functions — if only the loader or only the backhoe is affected, check for a control valve issue first.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Should I flush the hydraulic system when replacing this pump?\u003c\/strong\u003e\u003cbr\u003eA: Always. Flushing is essential — metal contaminants from the old pump can destroy the new pump within hours. Drain and replace all hydraulic oil, flush the system with clean oil, replace all filters, and refill with fresh Cat HYDO Advanced hydraulic oil. Backhoe loaders work in construction and utility applications where contamination risk is high — a thorough flush is critical.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What type of hydraulic oil is recommended for these backhoe loaders?\u003c\/strong\u003e\u003cbr\u003eA: Caterpillar specifies Cat HYDO Advanced 10W or 30W depending on operating temperature. Backhoe loaders perform varied tasks — digging, loading, lifting — and the hydraulic system operates under frequent load changes. Using non-CAT approved fluids can cause pump wear and void the warranty.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How do I confirm this is the correct pump for my backhoe loader?\u003c\/strong\u003e\u003cbr\u003eA: Check the part number on your current pump — if it reads 3500666 or 350-0666, this is the correct replacement. If the label is worn or missing, provide your backhoe serial number and we will verify compatibility before you order.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Does this pump come with mounting hardware or gaskets included?\u003c\/strong\u003e\u003cbr\u003eA: The pump is supplied as a complete unit. Depending on your backhoe configuration, you may need separate mounting bolts, gaskets, or O-rings. Contact us with your serial number and we will confirm exactly what is included and what additional parts you may need for installation.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What is the warranty on this hydraulic piston pump?\u003c\/strong\u003e\u003cbr\u003eA: This piston pump comes with a 12-month warranty covering manufacturing defects. The warranty does not cover damage caused by contaminated hydraulic oil, improper installation, failure to flush the hydraulic system, or using non-CAT approved hydraulic fluids.\u003c\/p\u003e\n\u003cp\u003eLooking for this hydraulic pump? Contact us today for pricing, availability, and lead time information.\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"\/pages\/contact\"\u003eRequest a Quote\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eRelated Products\u003c\/h3\u003e\n\u003cp\u003eExplore our full range of \u003ca href=\"\/collections\/construction-machinery-caterpillar\"\u003eCaterpillar piston pumps\u003c\/a\u003e.\u003c\/p\u003e","brand":"Caterpillar","offers":[{"title":"Default Title","offer_id":46647095918748,"sku":"CAT-3500666","price":0.0,"currency_code":"CNY","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0738\/7385\/0524\/files\/350-06661.jpg?v=1775652268"},{"product_id":"cat-120h-120k-12h-12k-piston-pump-6e3136-6e-3136","title":"CAT 6E3136 (6E-3136) Piston Pump | Fits 120H 120K 12H 12K Motor Grader","description":"\u003ch2\u003eCAT 6E3136 (6E-3136) Piston Pump | Fits 120H 120K 12H 12K Motor Grader\u003c\/h2\u003e\n\u003cp\u003ePremium hydraulic piston pump designed as a direct OEM-compatible replacement for Caterpillar 120H, 120K, 12H, and 12K motor graders. Built to deliver consistent hydraulic performance and long service life in demanding road construction and maintenance applications.\u003c\/p\u003e\n\u003ch3\u003eProduct Highlights\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e 6E3136 \/ 6E-3136\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDirect Fit:\u003c\/strong\u003e No modifications required\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh Performance:\u003c\/strong\u003e Meets or exceeds original Caterpillar specifications\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurable Construction:\u003c\/strong\u003e Precision-engineered for long service life\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWide Application:\u003c\/strong\u003e Suitable for road construction and maintenance projects\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e 6E3136 \/ 6E-3136\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Type:\u003c\/strong\u003e Variable Displacement Piston Pump\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand Compatibility:\u003c\/strong\u003e Caterpillar (CAT)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Hydraulic System\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 12 Months\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eCompatible Models\u003c\/h3\u003e\n\u003cp\u003eThis piston pump fits the following Caterpillar motor graders:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eCaterpillar 120H Motor Grader\u003c\/li\u003e\n\u003cli\u003eCaterpillar 120K Motor Grader\u003c\/li\u003e\n\u003cli\u003eCaterpillar 12H Motor Grader\u003c\/li\u003e\n\u003cli\u003eCaterpillar 12K Motor Grader\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eMotor Grader Blade Lift and Circle Functions\u003c\/li\u003e\n\u003cli\u003eMotor Grader Steering and Articulation Systems\u003c\/li\u003e\n\u003cli\u003eHeavy-Duty Grading and Road Maintenance Operations\u003c\/li\u003e\n\u003cli\u003eConstruction, Road Building, and Land Leveling Projects\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhy Choose This Pump?\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eQuality Guaranteed - Manufactured to meet OEM standards\u003c\/li\u003e\n\u003cli\u003eReady to Ship - In stock and available for immediate dispatch\u003c\/li\u003e\n\u003cli\u003eExpert Support - Technical assistance available\u003c\/li\u003e\n\u003cli\u003eCompetitive Pricing - Cost-effective alternative to dealer parts\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What are the symptoms of a failing hydraulic piston pump on CAT 120H, 120K, 12H, or 12K motor graders?\u003c\/strong\u003e\u003cbr\u003eA: Common signs include slow or weak blade lift and tilt response, the blade hesitating or failing to hold grade position, hydraulic oil overheating during extended grading operations, whining or knocking noise from the pump area, and visible hydraulic fluid leakage. Motor graders perform precision grading work — pump failure causes loss of blade control accuracy and reduced grading efficiency, increasing rework rates.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Does the 6E3136 fit all four motor grader models?\u003c\/strong\u003e\u003cbr\u003eA: Yes, the 6E3136 (6E-3136) is designed as a direct OEM-compatible replacement for the CAT 120H, 120K, 12H, and 12K motor graders. These models share the same pump mounting and hydraulic system architecture. Contact us with your motor grader serial number to confirm exact compatibility.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What hydraulic functions does this pump support on a motor grader?\u003c\/strong\u003e\u003cbr\u003eA: As the main hydraulic pump, it supplies flow to the blade lift and tilt circuits, circle drive, articulation (steering), and ripper functions. Precision grading requires consistent hydraulic flow — a failing pump causes the blade to drift, hesitate, or lose position accuracy, directly affecting grade quality and rework rates. Motor graders often operate in dusty, high-contamination environments, making pump reliability even more critical.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Should I flush the hydraulic system when replacing this pump on a motor grader?\u003c\/strong\u003e\u003cbr\u003eA: Always. Flushing is essential — motor graders often operate in dusty, high-contamination environments (road construction, land leveling). Metal particles and contaminants from the old pump, combined with environmental contamination, can destroy the new pump within hours. Drain and replace all hydraulic oil, flush the system thoroughly, replace all filters, and refill with fresh Cat HYDO Advanced hydraulic oil.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What type of hydraulic oil is recommended for the 120H, 120K, 12H, and 12K motor graders?\u003c\/strong\u003e\u003cbr\u003eA: Caterpillar specifies Cat HYDO Advanced 10W or 30W depending on ambient operating temperature. Motor graders in road construction and land leveling applications operate under sustained hydraulic load — using non-CAT approved hydraulic fluids can cause pump wear, loss of grade control accuracy, and void the warranty.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How do I confirm this is the correct pump for my motor grader?\u003c\/strong\u003e\u003cbr\u003eA: Check the part number on your current hydraulic pump — if it reads 6E3136 or 6E-3136, this is the correct replacement. If the label is worn or missing, provide your motor grader serial number and we will verify compatibility before you order.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Does this pump come with mounting hardware or gaskets included?\u003c\/strong\u003e\u003cbr\u003eA: The pump is supplied as a complete unit. Depending on your motor grader configuration, you may need separate mounting bolts, gaskets, or O-rings. Contact us with your serial number and we will confirm exactly what is included and what additional parts you may need for installation.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What is the warranty on this hydraulic piston pump?\u003c\/strong\u003e\u003cbr\u003eA: This piston pump comes with a 12-month warranty covering manufacturing defects. The warranty does not cover damage caused by contaminated hydraulic oil, improper installation, failure to flush the hydraulic system, or using non-CAT approved hydraulic fluids.\u003c\/p\u003e\n\u003cp\u003eLooking for this hydraulic pump? Contact us today for pricing, availability, and lead time information.\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"\/pages\/contact\"\u003eRequest a Quote\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eRelated Products\u003c\/h3\u003e\n\u003cp\u003eExplore our full range of \u003ca href=\"\/collections\/construction-machinery-caterpillar\"\u003eCaterpillar piston pumps\u003c\/a\u003e.\u003c\/p\u003e","brand":"Caterpillar","offers":[{"title":"Default Title","offer_id":46647105650844,"sku":"CAT-6E3136","price":0.0,"currency_code":"CNY","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0738\/7385\/0524\/files\/6E-31361.jpg?v=1775652719"},{"product_id":"cat-416-428-piston-pump-9t6857-9t-6857","title":"CAT 9T6857 (9T-6857) Piston Pump | Fits 416 428 Backhoe Loader","description":"\u003ch2\u003eCAT 9T6857 (9T-6857) Piston Pump | Fits 416 428 Backhoe Loader\u003c\/h2\u003e\n\u003cp\u003ePremium hydraulic piston pump designed as a direct OEM-compatible replacement for Caterpillar 416 and 428 backhoe loaders. Built to deliver consistent hydraulic performance and long service life in demanding construction, utility, and municipal applications.\u003c\/p\u003e\n\u003ch3\u003eProduct Highlights\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e 9T6857 \/ 9T-6857\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDirect Fit:\u003c\/strong\u003e No modifications required\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh Performance:\u003c\/strong\u003e Meets or exceeds original Caterpillar specifications\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurable Construction:\u003c\/strong\u003e Precision-engineered for long service life\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWide Application:\u003c\/strong\u003e Suitable for construction, utility, and municipal projects\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e 9T6857 \/ 9T-6857\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Type:\u003c\/strong\u003e Variable Displacement Piston Pump\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand Compatibility:\u003c\/strong\u003e Caterpillar (CAT)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Hydraulic System\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 12 Months\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eCompatible Models\u003c\/h3\u003e\n\u003cp\u003eThis piston pump fits the following Caterpillar backhoe loaders:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eCaterpillar 416 Backhoe Loader\u003c\/li\u003e\n\u003cli\u003eCaterpillar 428 Backhoe Loader\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eBackhoe Loader Lift and Tilt Functions\u003c\/li\u003e\n\u003cli\u003eBackhoe Loader Dig and Swing Circuits\u003c\/li\u003e\n\u003cli\u003eHeavy-Duty Excavation and Loading Operations\u003c\/li\u003e\n\u003cli\u003eConstruction, Utility, and Municipal Projects\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhy Choose This Pump?\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eQuality Guaranteed - Manufactured to meet OEM standards\u003c\/li\u003e\n\u003cli\u003eReady to Ship - In stock and available for immediate dispatch\u003c\/li\u003e\n\u003cli\u003eExpert Support - Technical assistance available\u003c\/li\u003e\n\u003cli\u003eCompetitive Pricing - Cost-effective alternative to dealer parts\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What are the symptoms of a failing hydraulic piston pump on CAT 416 or 428 backhoe loaders?\u003c\/strong\u003e\u003cbr\u003eA: Common signs include slow or weak loader lift and tilt response, the backhoe dig function losing power, hydraulic oil overheating, whining or knocking from the pump area, and visible hydraulic fluid leakage. The CAT 416 and 428 are older-generation backhoe loaders still widely used in construction — pump failure affects both the front loader bucket and rear backhoe digging performance simultaneously.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Does the 9T6857 fit both the 416 and 428 backhoe loaders?\u003c\/strong\u003e\u003cbr\u003eA: Yes, the 9T6857 (9T-6857) is designed as a direct OEM-compatible replacement for both the CAT 416 and 428 backhoe loaders. These models share the same pump mounting and hydraulic system architecture. Contact us with your backhoe serial number to confirm exact compatibility.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What hydraulic functions does this pump support on a backhoe loader?\u003c\/strong\u003e\u003cbr\u003eA: As the main hydraulic pump, it supplies flow to both front loader circuits (lift, tilt) and rear backhoe circuits (boom, stick, bucket, swing). It also supports auxiliary functions such as stabilizer legs. A failing pump causes weak operation across all functions — if only one function is affected, the problem may be a control valve rather than the pump itself.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Should I flush the hydraulic system when replacing this pump?\u003c\/strong\u003e\u003cbr\u003eA: Always. Flushing is essential — metal contaminants from the old pump can destroy the new pump within hours. Drain and replace all hydraulic oil, flush the system with clean oil, replace all filters, and refill with fresh Cat HYDO Advanced hydraulic oil. Older backhoe loaders like the 416 and 428 may have accumulated more system contamination over their service life, making a thorough flush even more important.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What type of hydraulic oil is recommended for the 416 and 428 backhoe loaders?\u003c\/strong\u003e\u003cbr\u003eA: Caterpillar specifies Cat HYDO Advanced 10W or 30W depending on operating temperature. Older backhoe loaders working in construction and utility applications should use Cat-approved fluids to ensure long pump life and maintain reliability. Using non-approved fluids can cause accelerated wear and void the warranty.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How do I confirm this is the correct pump for my backhoe loader?\u003c\/strong\u003e\u003cbr\u003eA: Check the part number on your current pump — if it reads 9T6857 or 9T-6857, this is the correct replacement. If the label is worn or missing (common on older machines), provide your backhoe serial number and we will verify compatibility before you order.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Does this pump come with mounting hardware or gaskets included?\u003c\/strong\u003e\u003cbr\u003eA: The pump is supplied as a complete unit. Depending on your backhoe configuration, you may need separate mounting bolts, gaskets, or O-rings. Contact us with your serial number and we will confirm exactly what is included and what additional parts you may need for installation.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What is the warranty on this hydraulic piston pump?\u003c\/strong\u003e\u003cbr\u003eA: This piston pump comes with a 12-month warranty covering manufacturing defects. The warranty does not cover damage caused by contaminated hydraulic oil, improper installation, failure to flush the hydraulic system, or using non-CAT approved hydraulic fluids.\u003c\/p\u003e\n\u003cp\u003eLooking for this hydraulic pump? Contact us today for pricing, availability, and lead time information.\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"\/pages\/contact\"\u003eRequest a Quote\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eRelated Products\u003c\/h3\u003e\n\u003cp\u003eExplore our full range of \u003ca href=\"\/collections\/construction-machinery-caterpillar\"\u003eCaterpillar piston pumps\u003c\/a\u003e.\u003c\/p\u003e","brand":"Caterpillar","offers":[{"title":"Default Title","offer_id":46647113318556,"sku":"CAT-9T6857","price":0.0,"currency_code":"CNY","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0738\/7385\/0524\/files\/9T-68571.jpg?v=1775653180"},{"product_id":"cat-12g-130g-140g-160g-piston-pump-8j0498-8j-0498","title":"CAT 8J0498 (8J-0498) Piston Pump | Fits 12G 130G 140G 160G Motor Grader","description":"\u003ch2\u003eCAT 8J0498 (8J-0498) Piston Pump | Fits 12G 130G 140G 160G Motor Grader\u003c\/h2\u003e\n\u003cp\u003ePremium hydraulic piston pump designed as a direct OEM-compatible replacement for Caterpillar 12G, 130G, 140G, and 160G motor graders. Built to deliver consistent hydraulic performance and long service life in demanding road construction and maintenance applications.\u003c\/p\u003e\n\u003ch3\u003eProduct Highlights\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e 8J0498 \/ 8J-0498\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDirect Fit:\u003c\/strong\u003e No modifications required\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh Performance:\u003c\/strong\u003e Meets or exceeds original Caterpillar specifications\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurable Construction:\u003c\/strong\u003e Precision-engineered for long service life\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWide Application:\u003c\/strong\u003e Suitable for road construction and maintenance projects\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e 8J0498 \/ 8J-0498\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Type:\u003c\/strong\u003e Variable Displacement Piston Pump\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand Compatibility:\u003c\/strong\u003e Caterpillar (CAT)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Hydraulic System\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 12 Months\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eCompatible Models\u003c\/h3\u003e\n\u003cp\u003eThis piston pump fits the following Caterpillar motor graders:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eCaterpillar 12G Motor Grader\u003c\/li\u003e\n\u003cli\u003eCaterpillar 130G Motor Grader\u003c\/li\u003e\n\u003cli\u003eCaterpillar 140G Motor Grader\u003c\/li\u003e\n\u003cli\u003eCaterpillar 160G Motor Grader\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eMotor Grader Blade Lift and Circle Functions\u003c\/li\u003e\n\u003cli\u003eMotor Grader Steering and Articulation Systems\u003c\/li\u003e\n\u003cli\u003eHeavy-Duty Grading and Road Maintenance Operations\u003c\/li\u003e\n\u003cli\u003eConstruction, Road Building, and Land Leveling Projects\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhy Choose This Pump?\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eQuality Guaranteed - Manufactured to meet OEM standards\u003c\/li\u003e\n\u003cli\u003eReady to Ship - In stock and available for immediate dispatch\u003c\/li\u003e\n\u003cli\u003eExpert Support - Technical assistance available\u003c\/li\u003e\n\u003cli\u003eCompetitive Pricing - Cost-effective alternative to dealer parts\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What are the symptoms of a failing hydraulic piston pump on CAT 12G, 130G, 140G, or 160G motor graders?\u003c\/strong\u003e\u003cbr\u003eA: Common signs include slow or weak blade lift and tilt response, the blade hesitating or failing to hold grade position, hydraulic oil overheating during extended grading operations, whining or knocking noise from the pump area, and visible hydraulic fluid leakage. Motor graders perform precision grading work — pump failure causes loss of blade control accuracy and reduced grading efficiency.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Does the 8J0498 fit all four motor grader models?\u003c\/strong\u003e\u003cbr\u003eA: Yes, the 8J0498 (8J-0498) is designed as a direct OEM-compatible replacement for the CAT 12G, 130G, 140G, and 160G motor graders. These models share the same pump mounting and hydraulic system architecture. Contact us with your motor grader serial number to confirm exact compatibility.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What hydraulic functions does this pump support on a motor grader?\u003c\/strong\u003e\u003cbr\u003eA: As the main hydraulic pump, it supplies flow to the blade lift and tilt circuits, circle drive, articulation (steering), and ripper functions. Precision grading requires consistent hydraulic flow — a failing pump causes the blade to drift, hesitate, or lose position accuracy, directly affecting grade quality and rework rates.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Should I flush the hydraulic system when replacing this pump on a motor grader?\u003c\/strong\u003e\u003cbr\u003eA: Always. Flushing is essential — motor graders often operate in dusty, high-contamination environments (road construction, land leveling). Metal particles and contaminants from the old pump, combined with environmental contamination, can destroy the new pump within hours. Drain and replace all hydraulic oil, flush the system, replace all filters, and refill with fresh Cat HYDO Advanced hydraulic oil.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What type of hydraulic oil is recommended for the 12G, 130G, 140G, and 160G motor graders?\u003c\/strong\u003e\u003cbr\u003eA: Caterpillar specifies Cat HYDO Advanced 10W or 30W depending on ambient operating temperature. Motor graders in road construction and land leveling applications operate under sustained hydraulic load — using non-CAT approved hydraulic fluids can cause accelerated pump wear, loss of grade control accuracy, and void the warranty.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How do I confirm this is the correct pump for my motor grader?\u003c\/strong\u003e\u003cbr\u003eA: Check the part number on your current hydraulic pump — if it reads 8J0498 or 8J-0498, this is the correct replacement. If the label is worn or missing, provide your motor grader serial number and we will verify compatibility before you order.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Does this pump come with mounting hardware or gaskets included?\u003c\/strong\u003e\u003cbr\u003eA: The pump is supplied as a complete unit. Depending on your motor grader configuration, you may need separate mounting bolts, gaskets, or O-rings. Contact us with your serial number and we will confirm exactly what is included and what additional parts you may need for installation.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What is the warranty on this hydraulic piston pump?\u003c\/strong\u003e\u003cbr\u003eA: This piston pump comes with a 12-month warranty covering manufacturing defects. The warranty does not cover damage caused by contaminated hydraulic oil, improper installation, failure to flush the hydraulic system, or using non-CAT approved hydraulic fluids.\u003c\/p\u003e\n\u003cp\u003eLooking for this hydraulic pump? Contact us today for pricing, availability, and lead time information.\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"\/pages\/contact\"\u003eRequest a Quote\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eRelated Products\u003c\/h3\u003e\n\u003cp\u003eExplore our full range of \u003ca href=\"\/collections\/construction-machinery-caterpillar\"\u003eCaterpillar piston pumps\u003c\/a\u003e.\u003c\/p\u003e","brand":"Caterpillar","offers":[{"title":"Default Title","offer_id":46647142973596,"sku":"CAT-8J0498","price":0.0,"currency_code":"CNY","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0738\/7385\/0524\/files\/8J-04981.jpg?v=1775654717"},{"product_id":"cat-cp533-cp54-cp56-cp563-cs531-piston-motor-1368869-136-8869","title":"CAT 1368869 (136-8869) Piston Motor | Fits CP-533 CP-54 CP-56 CP-563 CS-531 Compactor","description":"\u003ch2\u003eCAT 1368869 (136-8869) Piston Motor | Fits CP-533 CP-54 CP-56 CP-563 CS-531 Compactor\u003c\/h2\u003e\n\u003cp\u003ePremium hydraulic piston motor designed as a direct OEM-compatible replacement for Caterpillar CP-533, CP-54, CP-56, CP-563, and CS-531 vibratory soil compactors. Built to deliver reliable drum drive power and long service life in demanding road construction and earthwork applications.\u003c\/p\u003e\n\u003ch3\u003eProduct Highlights\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e 1368869 \/ 136-8869\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDirect Fit:\u003c\/strong\u003e No modifications required\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh Performance:\u003c\/strong\u003e Meets or exceeds original Caterpillar specifications\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurable Construction:\u003c\/strong\u003e Precision-engineered for long service life\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWide Application:\u003c\/strong\u003e Suitable for road construction, earthwork, and site compaction projects\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e 1368869 \/ 136-8869\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Type:\u003c\/strong\u003e Hydraulic Piston Motor\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand Compatibility:\u003c\/strong\u003e Caterpillar (CAT)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Drum Drive System\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 12 Months\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eCompatible Models\u003c\/h3\u003e\n\u003cp\u003eThis piston motor fits the following Caterpillar compactor models:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eCaterpillar CP-533 Vibratory Soil Compactor\u003c\/li\u003e\n\u003cli\u003eCaterpillar CP-54 Vibratory Soil Compactor\u003c\/li\u003e\n\u003cli\u003eCaterpillar CP-56 Vibratory Soil Compactor\u003c\/li\u003e\n\u003cli\u003eCaterpillar CP-563 Vibratory Soil Compactor\u003c\/li\u003e\n\u003cli\u003eCaterpillar CS-531 Vibratory Soil Compactor\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eDrum Drive Motor Replacement\u003c\/li\u003e\n\u003cli\u003eVibratory System Repair\u003c\/li\u003e\n\u003cli\u003eCompactor Travel Drive System\u003c\/li\u003e\n\u003cli\u003eRoad Construction and Earthwork Projects\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhy Choose This Piston Motor?\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eQuality Guaranteed - Manufactured to meet OEM standards\u003c\/li\u003e\n\u003cli\u003eReady to Ship - In stock and available for immediate dispatch\u003c\/li\u003e\n\u003cli\u003eExpert Support - Technical assistance available\u003c\/li\u003e\n\u003cli\u003eCompetitive Pricing - Cost-effective alternative to dealer parts\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What are the symptoms of a failing hydraulic piston motor on CAT CP-533, CP-54, CP-56, CP-563, or CS-531 compactors?\u003c\/strong\u003e\u003cbr\u003eA: Common signs include the vibratory drum failing to rotate or rotate slowly, loss of vibration force, the compactor moving sluggishly or failing to propel, hydraulic oil overheating during operation, whining or grinding noise from the motor area, and visible hydraulic fluid leakage. CAT compactors rely on the piston motor for drum drive and travel — motor failure causes immediate loss of compaction productivity.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Does the 1368869 fit all five compactor models?\u003c\/strong\u003e\u003cbr\u003eA: Yes, the 1368869 (136-8869) is designed as a direct OEM-compatible replacement for the CAT CP-533, CP-54, CP-56, CP-563, and CS-531 vibratory soil compactors. These models share the same motor mounting and hydraulic drive architecture. Contact us with your compactor serial number to confirm exact compatibility.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What hydraulic functions does this piston motor support on a compactor?\u003c\/strong\u003e\u003cbr\u003eA: As the main hydraulic piston motor, it drives the vibratory drum rotation and provides travel\/propel power for the compactor. The piston motor is a critical component — failure causes loss of vibration and\/or mobility, making the compactor unable to perform its primary function. In soil compaction applications, downtime directly impacts project schedules and road quality.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Should I flush the hydraulic system when replacing this piston motor on a compactor?\u003c\/strong\u003e\u003cbr\u003eA: Always, and with extra diligence. Compactors operate in extremely high-contamination environments (soil, dust, debris). Metal particles and environmental contaminants from the old motor can destroy the new motor within hours. Drain and replace all hydraulic oil, flush the system thoroughly with clean oil, replace all filters, and refill with fresh Cat HYDO Advanced hydraulic oil.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What type of hydraulic oil is recommended for these CAT compactors?\u003c\/strong\u003e\u003cbr\u003eA: Caterpillar specifies Cat HYDO Advanced 10W or 30W depending on ambient operating temperature. Compactors in soil compaction and road construction applications operate under sustained vibration and heavy load — using non-CAT approved hydraulic fluids can cause immediate motor failure and void the warranty.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How do I confirm this is the correct piston motor for my compactor?\u003c\/strong\u003e\u003cbr\u003eA: Check the part number on your current piston motor — if it reads 1368869 or 136-8869, this is the correct replacement. If the label is worn or missing (common in compaction environments), provide your compactor serial number and we will verify compatibility before you order.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Does this piston motor come with mounting hardware or gaskets included?\u003c\/strong\u003e\u003cbr\u003eA: The motor is supplied as a complete unit. Depending on your compactor configuration, you may need separate mounting bolts, gaskets, or O-rings. Contact us with your serial number and we will confirm exactly what is included and what additional parts you may need for installation.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What is the warranty on this hydraulic piston motor?\u003c\/strong\u003e\u003cbr\u003eA: This piston motor comes with a 12-month warranty covering manufacturing defects. The warranty does not cover damage caused by contaminated hydraulic oil, improper installation, failure to flush the hydraulic system, or using non-CAT approved hydraulic fluids.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eLooking for this piston motor?\u003c\/strong\u003e Contact us today for pricing, availability, and lead time information.\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"\/pages\/contact\"\u003eRequest a Quote\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eRelated Products\u003c\/h3\u003e\n\u003cp\u003eExplore our full range of \u003ca href=\"\/collections\/construction-machinery-caterpillar\"\u003eCaterpillar piston pumps\u003c\/a\u003e.\u003c\/p\u003e","brand":"Caterpillar","offers":[{"title":"Default Title","offer_id":46647302357148,"sku":"CAT-PM-1368869","price":0.0,"currency_code":"CNY","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0738\/7385\/0524\/files\/136-88691.jpg?v=1775656154"},{"product_id":"cat-826c-825c-825g-ii-825h-fan-motor-1618919-161-8919","title":"CAT 1618919 (161-8919) Fan Motor | Fits 826C 825C 825G II 825H Wheel Loader","description":"\u003ch2\u003eCAT 1618919 (161-8919) Fan Motor | Fits 826C 825C 825G II 825H Wheel Loader\u003c\/h2\u003e\n\u003cp\u003ePremium engine fan motor designed as a direct OEM-compatible replacement for Caterpillar 826C, 825C, 825G II, and 825H wheel loaders. Built to deliver reliable cooling system performance and long service life in demanding mining, quarry, and construction applications.\u003c\/p\u003e\n\u003ch3\u003eProduct Highlights\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e 1618919 \/ 161-8919\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDirect Fit:\u003c\/strong\u003e No modifications required\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh Performance:\u003c\/strong\u003e Meets or exceeds original Caterpillar specifications\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurable Construction:\u003c\/strong\u003e Precision-engineered for long service life\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWide Application:\u003c\/strong\u003e Suitable for mining, quarry, and construction projects\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e 1618919 \/ 161-8919\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Type:\u003c\/strong\u003e Engine Fan Motor\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand Compatibility:\u003c\/strong\u003e Caterpillar (CAT)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Engine Cooling System\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 12 Months\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eCompatible Models\u003c\/h3\u003e\n\u003cp\u003eThis fan motor fits the following Caterpillar wheel loaders:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eCaterpillar 826C Wheel Loader\u003c\/li\u003e\n\u003cli\u003eCaterpillar 825C Wheel Loader\u003c\/li\u003e\n\u003cli\u003eCaterpillar 825G II Wheel Loader\u003c\/li\u003e\n\u003cli\u003eCaterpillar 825H Wheel Loader\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eEngine Cooling Fan Drive System\u003c\/li\u003e\n\u003cli\u003eHydraulic Oil Cooling System\u003c\/li\u003e\n\u003cli\u003eRadiator Cooling and Heat Dissipation\u003c\/li\u003e\n\u003cli\u003eMining, Quarry, and Construction Projects\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhy Choose This Fan Motor?\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eQuality Guaranteed - Manufactured to meet OEM standards\u003c\/li\u003e\n\u003cli\u003eReady to Ship - In stock and available for immediate dispatch\u003c\/li\u003e\n\u003cli\u003eExpert Support - Technical assistance available\u003c\/li\u003e\n\u003cli\u003eCompetitive Pricing - Cost-effective alternative to dealer parts\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What are the symptoms of a failing engine fan motor on CAT 826C, 825C, 825G II, or 825H wheel loaders?\u003c\/strong\u003e\u003cbr\u003eA: Common signs include engine overheating during normal operation, the cooling fan not spinning or spinning slowly, hydraulic-driven fan failing to respond to temperature changes, unusual noise (grinding or whining) from the fan motor area, and visible hydraulic oil leakage around the fan motor. The 826C and 825H are widely used in mining, quarry, and landfill compaction applications — overheating in these environments can lead to catastrophic engine failure and costly downtime.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Does the 1618919 fit all four wheel loader models?\u003c\/strong\u003e\u003cbr\u003eA: Yes, the 1618919 (161-8919) is designed as a direct OEM-compatible replacement for the CAT 826C, 825C, 825G II, and 825H wheel loaders. These models share the same fan motor mounting and hydraulic drive architecture. Contact us with your wheel loader serial number to confirm exact compatibility.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What does the fan motor do on these CAT wheel loaders?\u003c\/strong\u003e\u003cbr\u003eA: The fan motor is a hydraulic-driven motor that spins the engine cooling fan. It is controlled by the engine cooling system — as coolant temperature rises, hydraulic flow to the fan motor increases, speeding up the fan to dissipate heat. A failing fan motor causes inadequate cooling, leading to engine overheating, especially in hot weather or under heavy load (mining, quarry, landfill compaction).\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Should I check the hydraulic system when replacing this fan motor?\u003c\/strong\u003e\u003cbr\u003eA: Yes. Before installing the new fan motor, inspect the hydraulic lines, fittings, and cooling system for contamination, blockages, or damaged O-rings. Flushing the hydraulic circuit and replacing the hydraulic filter is strongly recommended to prevent contaminant-driven failure of the new motor. In mining and quarry environments, contamination is a leading cause of premature fan motor failure.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What type of hydraulic oil is recommended for the fan motor circuit?\u003c\/strong\u003e\u003cbr\u003eA: Caterpillar specifies Cat HYDO Advanced 10W or 30W hydraulic oil for the fan motor hydraulic circuit. Using non-CAT approved hydraulic fluids can cause accelerated wear, seal failure, and void the warranty. In high-dust environments (mining, quarry, landfill), more frequent hydraulic oil and filter changes are recommended.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How do I confirm this is the correct fan motor for my CAT wheel loader?\u003c\/strong\u003e\u003cbr\u003eA: Check the part number on your current fan motor — if it reads 1618919 or 161-8919, this is the correct replacement. If the label is worn or missing, provide your wheel loader serial number and we will verify compatibility before you order.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Does this fan motor come with mounting hardware or gaskets included?\u003c\/strong\u003e\u003cbr\u003eA: The fan motor is supplied as a complete unit. Depending on your wheel loader configuration, you may need separate mounting bolts, hydraulic fittings, gaskets, or O-rings. Contact us with your serial number and we will confirm exactly what is included and what additional parts you may need for installation.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What is the warranty on this engine fan motor?\u003c\/strong\u003e\u003cbr\u003eA: This fan motor comes with a 12-month warranty covering manufacturing defects. The warranty does not cover damage caused by contaminated hydraulic oil, improper installation, failure to flush the hydraulic system, or using non-CAT approved hydraulic fluids.\u003c\/p\u003e\n\u003cp\u003eLooking for this fan motor? Contact us today for pricing, availability, and lead time information.\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"\/pages\/contact\"\u003eRequest a Quote\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eRelated Products\u003c\/h3\u003e\n\u003cp\u003eExplore our full range of \u003ca href=\"\/collections\/construction-machinery-caterpillar\"\u003eCaterpillar fan motors\u003c\/a\u003e.\u003c\/p\u003e","brand":"Caterpillar","offers":[{"title":"Default Title","offer_id":46647342661788,"sku":"CAT-FM-1618919","price":0.0,"currency_code":"CNY","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0738\/7385\/0524\/files\/161-89191.jpg?v=1775658697"},{"product_id":"cat-330c-fan-motor-1915611-191-5611","title":"CAT 1915611 (191-5611) Fan Motor | Fits 330C Excavator","description":"\u003ch2\u003eCAT 1915611 (191-5611) Fan Motor | Fits 330C Excavator\u003c\/h2\u003e\n\u003cp\u003ePremium engine fan motor designed as a direct OEM-compatible replacement for Caterpillar 330C excavator. Built to deliver reliable cooling system performance and long service life in demanding mining, quarry, and heavy excavation applications.\u003c\/p\u003e\n\u003ch3\u003eProduct Highlights\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e 1915611 \/ 191-5611\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDirect Fit:\u003c\/strong\u003e No modifications required\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh Performance:\u003c\/strong\u003e Meets or exceeds original Caterpillar specifications\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurable Construction:\u003c\/strong\u003e Precision-engineered for long service life\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWide Application:\u003c\/strong\u003e Suitable for mining, quarry, and heavy excavation projects\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e 1915611 \/ 191-5611\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Type:\u003c\/strong\u003e Engine Fan Motor\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand Compatibility:\u003c\/strong\u003e Caterpillar (CAT)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Engine Cooling System\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 12 Months\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eCompatible Models\u003c\/h3\u003e\n\u003cp\u003eThis fan motor fits the following Caterpillar excavator:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eCaterpillar 330C Excavator\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eEngine Cooling Fan Drive System\u003c\/li\u003e\n\u003cli\u003eHydraulic Oil Cooling System\u003c\/li\u003e\n\u003cli\u003eRadiator Cooling and Heat Dissipation\u003c\/li\u003e\n\u003cli\u003eMining, Quarry, and Heavy Excavation Projects\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhy Choose This Fan Motor?\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eQuality Guaranteed - Manufactured to meet OEM standards\u003c\/li\u003e\n\u003cli\u003eReady to Ship - In stock and available for immediate dispatch\u003c\/li\u003e\n\u003cli\u003eExpert Support - Technical assistance available\u003c\/li\u003e\n\u003cli\u003eCompetitive Pricing - Cost-effective alternative to dealer parts\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What are the symptoms of a failing engine fan motor on a CAT 330C excavator?\u003c\/strong\u003e\u003cbr\u003eA: Common signs include engine overheating during normal operation, the cooling fan not spinning or spinning slowly, hydraulic-driven fan failing to respond to temperature changes, unusual noise (grinding or whining) from the fan motor area, and visible hydraulic oil leakage around the fan motor. The CAT 330C is a widely used excavator in mining, quarry, and heavy excavation — overheating can lead to catastrophic engine failure, turbo damage, and expensive downtime.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Does the 1915611 fit the CAT 330C excavator?\u003c\/strong\u003e\u003cbr\u003eA: Yes, the 1915611 (191-5611) is designed as a direct OEM-compatible replacement for the CAT 330C excavator. It matches the original fan motor mounting and hydraulic drive specifications exactly. Contact us with your excavator serial number to confirm exact compatibility.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What does the fan motor do on a CAT 330C excavator?\u003c\/strong\u003e\u003cbr\u003eA: The fan motor is a hydraulic-driven motor that spins the engine cooling fan. It is controlled by the engine cooling system — as coolant temperature rises, hydraulic flow to the fan motor increases, speeding up the fan to dissipate heat. A failing fan motor causes inadequate cooling, leading to engine overheating, especially in hot weather or under heavy excavation load.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Should I check the hydraulic system when replacing this fan motor on a 330C?\u003c\/strong\u003e\u003cbr\u003eA: Yes. Before installing the new fan motor, inspect the hydraulic lines, fittings, and cooling system for contamination, blockages, or damaged O-rings. Flushing the hydraulic circuit and replacing the hydraulic filter is strongly recommended to prevent contaminant-driven failure of the new motor. Excavators operate in high-contamination environments — this step is critical for long fan motor life.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What type of hydraulic oil is recommended for the fan motor circuit on a CAT 330C?\u003c\/strong\u003e\u003cbr\u003eA: Caterpillar specifies Cat HYDO Advanced 10W or 30W hydraulic oil for the fan motor hydraulic circuit. Using non-CAT approved hydraulic fluids can cause accelerated wear, seal failure, and void the warranty. In demanding excavation applications, more frequent hydraulic oil and filter changes are recommended.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How do I confirm this is the correct fan motor for my CAT 330C excavator?\u003c\/strong\u003e\u003cbr\u003eA: Check the part number on your current fan motor — if it reads 1915611 or 191-5611, this is the correct replacement. If the label is worn or missing, provide your excavator serial number and we will verify compatibility before you order.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Does this fan motor come with mounting hardware or gaskets included?\u003c\/strong\u003e\u003cbr\u003eA: The fan motor is supplied as a complete unit. Depending on your excavator configuration, you may need separate mounting bolts, hydraulic fittings, gaskets, or O-rings. Contact us with your serial number and we will confirm exactly what is included and what additional parts you may need for installation.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What is the warranty on this engine fan motor?\u003c\/strong\u003e\u003cbr\u003eA: This fan motor comes with a 12-month warranty covering manufacturing defects. The warranty does not cover damage caused by contaminated hydraulic oil, improper installation, failure to flush the hydraulic system, or using non-CAT approved hydraulic fluids.\u003c\/p\u003e\n\u003cp\u003eLooking for this fan motor? Contact us today for pricing, availability, and lead time information.\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"\/pages\/contact\"\u003eRequest a Quote\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eRelated Products\u003c\/h3\u003e\n\u003cp\u003eExplore our full range of \u003ca href=\"\/collections\/construction-machinery-caterpillar\"\u003eCaterpillar fan motors\u003c\/a\u003e.\u003c\/p\u003e","brand":"Caterpillar","offers":[{"title":"Default Title","offer_id":46647515611292,"sku":"CAT-FM-1915611","price":0.0,"currency_code":"CNY","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0738\/7385\/0524\/files\/191-56111.jpg?v=1775661310"},{"product_id":"cat-322c-325c-m325c-fan-motor-1799778-179-9778","title":"CAT 1799778 (179-9778) Fan Motor | Fits 322C 325C M325C Excavator","description":"\u003ch2\u003eCAT 1799778 (179-9778) Fan Motor | Fits 322C 325C M325C Excavator\u003c\/h2\u003e\n\u003cp\u003ePremium engine fan motor designed as a direct OEM-compatible replacement for Caterpillar 322C, 325C, and M325C excavators. Built to deliver reliable cooling system performance and long service life in demanding mining, quarry, and heavy excavation applications.\u003c\/p\u003e\n\u003ch3\u003eProduct Highlights\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e 1799778 \/ 179-9778\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDirect Fit:\u003c\/strong\u003e No modifications required\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh Performance:\u003c\/strong\u003e Meets or exceeds original Caterpillar specifications\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurable Construction:\u003c\/strong\u003e Precision-engineered for long service life\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWide Application:\u003c\/strong\u003e Suitable for mining, quarry, and heavy excavation projects\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e 1799778 \/ 179-9778\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Type:\u003c\/strong\u003e Engine Fan Motor\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand Compatibility:\u003c\/strong\u003e Caterpillar (CAT)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Engine Cooling System\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 12 Months\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eCompatible Models\u003c\/h3\u003e\n\u003cp\u003eThis fan motor fits the following Caterpillar excavators:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eCaterpillar 322C Excavator\u003c\/li\u003e\n\u003cli\u003eCaterpillar 325C Excavator\u003c\/li\u003e\n\u003cli\u003eCaterpillar M325C Excavator\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eEngine Cooling Fan Drive System\u003c\/li\u003e\n\u003cli\u003eHydraulic Oil Cooling System\u003c\/li\u003e\n\u003cli\u003eRadiator Cooling and Heat Dissipation\u003c\/li\u003e\n\u003cli\u003eMining, Quarry, and Heavy Excavation Projects\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhy Choose This Fan Motor?\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eQuality Guaranteed - Manufactured to meet OEM standards\u003c\/li\u003e\n\u003cli\u003eReady to Ship - In stock and available for immediate dispatch\u003c\/li\u003e\n\u003cli\u003eExpert Support - Technical assistance available\u003c\/li\u003e\n\u003cli\u003eCompetitive Pricing - Cost-effective alternative to dealer parts\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What are the symptoms of a failing engine fan motor on CAT 322C, 325C, or M325C excavators?\u003c\/strong\u003e\u003cbr\u003eA: Common signs include engine overheating during normal operation, the cooling fan not spinning or spinning slowly, hydraulic-driven fan failing to respond to temperature changes, unusual noise (grinding or whining) from the fan motor area, and visible hydraulic oil leakage around the fan motor. The CAT 322C, 325C, and M325C are widely used in urban construction, utility work, and medium-duty excavation — overheating causes loss of productivity and risks engine damage.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Does the 1799778 fit all three excavator models?\u003c\/strong\u003e\u003cbr\u003eA: Yes, the 1799778 (179-9778) is designed as a direct OEM-compatible replacement for the CAT 322C, 325C, and M325C excavators. These models share the same fan motor mounting and hydraulic drive architecture. Contact us with your excavator serial number to confirm exact compatibility.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What does the fan motor do on these CAT excavators?\u003c\/strong\u003e\u003cbr\u003eA: The fan motor is a hydraulic-driven motor that spins the engine cooling fan. It is controlled by the engine cooling system — as coolant temperature rises, hydraulic flow to the fan motor increases, speeding up the fan to dissipate heat. A failing fan motor causes inadequate cooling, leading to engine overheating, especially in hot weather or under heavy excavation load.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Should I check the hydraulic system when replacing this fan motor?\u003c\/strong\u003e\u003cbr\u003eA: Yes. Before installing the new fan motor, inspect the hydraulic lines, fittings, and cooling system for contamination, blockages, or damaged O-rings. Flushing the hydraulic circuit and replacing the hydraulic filter is strongly recommended to prevent contaminant-driven failure of the new motor. Excavators operating in construction and utility applications are exposed to high levels of dust and debris — a thorough flush protects your investment.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What type of hydraulic oil is recommended for the fan motor circuit on CAT 322C, 325C, and M325C?\u003c\/strong\u003e\u003cbr\u003eA: Caterpillar specifies Cat HYDO Advanced 10W or 30W hydraulic oil for the fan motor hydraulic circuit. Using non-CAT approved hydraulic fluids can cause accelerated wear, seal failure, and void the warranty. For excavators working in dusty urban construction sites, more frequent hydraulic oil and filter changes are recommended.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How do I confirm this is the correct fan motor for my CAT excavator?\u003c\/strong\u003e\u003cbr\u003eA: Check the part number on your current fan motor — if it reads 1799778 or 179-9778, this is the correct replacement. If the label is worn or missing, provide your excavator serial number and we will verify compatibility before you order.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Does this fan motor come with mounting hardware or gaskets included?\u003c\/strong\u003e\u003cbr\u003eA: The fan motor is supplied as a complete unit. Depending on your excavator configuration, you may need separate mounting bolts, hydraulic fittings, gaskets, or O-rings. Contact us with your serial number and we will confirm exactly what is included and what additional parts you may need for installation.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What is the warranty on this engine fan motor?\u003c\/strong\u003e\u003cbr\u003eA: This fan motor comes with a 12-month warranty covering manufacturing defects. The warranty does not cover damage caused by contaminated hydraulic oil, improper installation, failure to flush the hydraulic system, or using non-CAT approved hydraulic fluids.\u003c\/p\u003e\n\u003cp\u003eLooking for this fan motor? Contact us today for pricing, availability, and lead time information.\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"\/pages\/contact\"\u003eRequest a Quote\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eRelated Products\u003c\/h3\u003e\n\u003cp\u003eExplore our full range of \u003ca href=\"\/collections\/construction-machinery-caterpillar\"\u003eCaterpillar fan motors\u003c\/a\u003e.\u003c\/p\u003e","brand":"Caterpillar","offers":[{"title":"Default Title","offer_id":46647530913948,"sku":"CAT-FM-1799778","price":0.0,"currency_code":"CNY","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0738\/7385\/0524\/files\/179-97781.jpg?v=1775662055"},{"product_id":"cat-330d-336d-m330d-fan-motor-2344638-234-4638","title":"CAT 2344638 (234-4638) Fan Motor | Fits 330D 336D M330D Excavator","description":"\u003ch2\u003eCAT 2344638 (234-4638) Fan Motor | Fits 330D 336D M330D Excavator\u003c\/h2\u003e\n\u003cp\u003ePremium engine fan motor designed as a direct OEM-compatible replacement for Caterpillar 330D, 336D, and M330D excavators. Built to deliver reliable cooling system performance and long service life in demanding mining, quarry, and heavy excavation applications.\u003c\/p\u003e\n\u003ch3\u003eProduct Highlights\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e 2344638 \/ 234-4638\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDirect Fit:\u003c\/strong\u003e No modifications required\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh Performance:\u003c\/strong\u003e Meets or exceeds original Caterpillar specifications\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurable Construction:\u003c\/strong\u003e Precision-engineered for long service life\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWide Application:\u003c\/strong\u003e Suitable for mining, quarry, and heavy excavation projects\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e 2344638 \/ 234-4638\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Type:\u003c\/strong\u003e Engine Fan Motor\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand Compatibility:\u003c\/strong\u003e Caterpillar (CAT)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Engine Cooling System\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 12 Months\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eCompatible Models\u003c\/h3\u003e\n\u003cp\u003eThis fan motor fits the following Caterpillar excavators:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eCaterpillar 330D Excavator\u003c\/li\u003e\n\u003cli\u003eCaterpillar 336D Excavator\u003c\/li\u003e\n\u003cli\u003eCaterpillar M330D Excavator\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eEngine Cooling Fan Drive System\u003c\/li\u003e\n\u003cli\u003eHydraulic Oil Cooling System\u003c\/li\u003e\n\u003cli\u003eRadiator Cooling and Heat Dissipation\u003c\/li\u003e\n\u003cli\u003eMining, Quarry, and Heavy Excavation Projects\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhy Choose This Fan Motor?\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eQuality Guaranteed - Manufactured to meet OEM standards\u003c\/li\u003e\n\u003cli\u003eReady to Ship - In stock and available for immediate dispatch\u003c\/li\u003e\n\u003cli\u003eExpert Support - Technical assistance available\u003c\/li\u003e\n\u003cli\u003eCompetitive Pricing - Cost-effective alternative to dealer parts\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What are the symptoms of a failing engine fan motor on CAT 330D, 336D, or M330D excavators?\u003c\/strong\u003e\u003cbr\u003eA: Common signs include engine overheating during normal operation, the cooling fan not spinning or spinning slowly, hydraulic-driven fan failing to respond to temperature changes, unusual noise (grinding or whining) from the fan motor area, and visible hydraulic oil leakage around the fan motor. The CAT 330D and 336D are widely used in mining, quarry, and heavy excavation — overheating can lead to catastrophic engine failure, turbo damage, and expensive downtime.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Does the 2344638 fit all three excavator models?\u003c\/strong\u003e\u003cbr\u003eA: Yes, the 2344638 (234-4638) is designed as a direct OEM-compatible replacement for the CAT 330D, 336D, and M330D excavators. These models share the same fan motor mounting and hydraulic drive architecture. Contact us with your excavator serial number to confirm exact compatibility.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What does the fan motor do on these CAT excavators?\u003c\/strong\u003e\u003cbr\u003eA: The fan motor is a hydraulic-driven motor that spins the engine cooling fan. It is controlled by the engine cooling system — as coolant temperature rises, hydraulic flow to the fan motor increases, speeding up the fan to dissipate heat. A failing fan motor causes inadequate cooling, leading to engine overheating, especially in hot weather or under heavy excavation load (mining, quarry, heavy construction).\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Should I check the hydraulic system when replacing this fan motor on a 330D or 336D?\u003c\/strong\u003e\u003cbr\u003eA: Yes. Before installing the new fan motor, inspect the hydraulic lines, fittings, and cooling system for contamination, blockages, or damaged O-rings. Flushing the hydraulic circuit and replacing the hydraulic filter is strongly recommended to prevent contaminant-driven failure of the new motor. Excavators operating in mining and quarry environments are exposed to extreme contamination — skipping the flush will likely destroy the new motor within hours.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What type of hydraulic oil is recommended for the fan motor circuit on CAT 330D, 336D, and M330D?\u003c\/strong\u003e\u003cbr\u003eA: Caterpillar specifies Cat HYDO Advanced 10W or 30W hydraulic oil for the fan motor hydraulic circuit. Using non-CAT approved hydraulic fluids can cause accelerated wear, seal failure, and void the warranty. In demanding mining and quarry applications, more frequent hydraulic oil and filter changes are strongly recommended.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How do I confirm this is the correct fan motor for my CAT excavator?\u003c\/strong\u003e\u003cbr\u003eA: Check the part number on your current fan motor — if it reads 2344638 or 234-4638, this is the correct replacement. If the label is worn or missing, provide your excavator serial number and we will verify compatibility before you order.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Does this fan motor come with mounting hardware or gaskets included?\u003c\/strong\u003e\u003cbr\u003eA: The fan motor is supplied as a complete unit. Depending on your excavator configuration, you may need separate mounting bolts, hydraulic fittings, gaskets, or O-rings. Contact us with your serial number and we will confirm exactly what is included and what additional parts you may need for installation.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What is the warranty on this engine fan motor?\u003c\/strong\u003e\u003cbr\u003eA: This fan motor comes with a 12-month warranty covering manufacturing defects. The warranty does not cover damage caused by contaminated hydraulic oil, improper installation, failure to flush the hydraulic system, or using non-CAT approved hydraulic fluids.\u003c\/p\u003e\n\u003cp\u003eLooking for this fan motor? Contact us today for pricing, availability, and lead time information.\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"\/pages\/contact\"\u003eRequest a Quote\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eRelated Products\u003c\/h3\u003e\n\u003cp\u003eExplore our full range of \u003ca href=\"\/collections\/construction-machinery-caterpillar\"\u003eCaterpillar fan motors\u003c\/a\u003e.\u003c\/p\u003e","brand":"Caterpillar","offers":[{"title":"Default Title","offer_id":46655794380956,"sku":"CAT-FM-2344638","price":0.0,"currency_code":"CNY","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0738\/7385\/0524\/files\/234-46381.jpg?v=1775739374"},{"product_id":"cat-365c-385b-fan-motor-2478978-247-8978","title":"CAT 2478978 (247-8978) Fan Motor | Fits 365C 385B Excavator","description":"\u003ch2\u003eCAT 2478978 (247-8978) Fan Motor | Fits 365C 385B Excavator\u003c\/h2\u003e\n\u003cp\u003ePremium engine fan motor designed as a direct OEM-compatible replacement for Caterpillar 365C and 385B excavators. Built to deliver reliable cooling system performance and long service life in demanding mining, quarry, and heavy excavation applications.\u003c\/p\u003e\n\u003ch3\u003eProduct Highlights\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e 2478978 \/ 247-8978\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDirect Fit:\u003c\/strong\u003e No modifications required\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh Performance:\u003c\/strong\u003e Meets or exceeds original Caterpillar specifications\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurable Construction:\u003c\/strong\u003e Precision-engineered for long service life\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWide Application:\u003c\/strong\u003e Suitable for mining, quarry, and heavy excavation projects\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e 2478978 \/ 247-8978\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Type:\u003c\/strong\u003e Engine Fan Motor\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand Compatibility:\u003c\/strong\u003e Caterpillar (CAT)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Engine Cooling System\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 12 Months\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eCompatible Models\u003c\/h3\u003e\n\u003cp\u003eThis fan motor fits the following Caterpillar excavators:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eCaterpillar 365C Excavator\u003c\/li\u003e\n\u003cli\u003eCaterpillar 385B Excavator\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eEngine Cooling Fan Drive System\u003c\/li\u003e\n\u003cli\u003eHydraulic Oil Cooling System\u003c\/li\u003e\n\u003cli\u003eRadiator Cooling and Heat Dissipation\u003c\/li\u003e\n\u003cli\u003eMining, Quarry, and Heavy Excavation Projects\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhy Choose This Fan Motor?\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eQuality Guaranteed - Manufactured to meet OEM standards\u003c\/li\u003e\n\u003cli\u003eReady to Ship - In stock and available for immediate dispatch\u003c\/li\u003e\n\u003cli\u003eExpert Support - Technical assistance available\u003c\/li\u003e\n\u003cli\u003eCompetitive Pricing - Cost-effective alternative to dealer parts\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What are the symptoms of a failing engine fan motor on CAT 365C or 385B excavators?\u003c\/strong\u003e\u003cbr\u003eA: Common signs include engine overheating during normal operation, the cooling fan not spinning or spinning slowly, hydraulic-driven fan failing to respond to temperature changes, unusual noise (grinding or whining) from the fan motor area, and visible hydraulic oil leakage around the fan motor. The CAT 365C and 385B are large excavators used in mining, quarry, and heavy excavation — overheating in these machines can lead to catastrophic engine failure, turbo damage, and extremely expensive downtime.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Does the 2478978 fit both excavator models?\u003c\/strong\u003e\u003cbr\u003eA: Yes, the 2478978 (247-8978) is designed as a direct OEM-compatible replacement for the CAT 365C and 385B excavators. These models share the same fan motor mounting and hydraulic drive architecture. Contact us with your excavator serial number to confirm exact compatibility.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What does the fan motor do on these large CAT excavators?\u003c\/strong\u003e\u003cbr\u003eA: The fan motor is a hydraulic-driven motor that spins the engine cooling fan. It is controlled by the engine cooling system — as coolant temperature rises, hydraulic flow to the fan motor increases, speeding up the fan to dissipate heat. On large excavators like the 365C and 385B, the cooling system works under extreme load — a failing fan motor causes rapid engine overheating, risking warped cylinder heads, turbo failure, and engine shutdown.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Should I check the hydraulic system when replacing this fan motor on a 365C or 385B?\u003c\/strong\u003e\u003cbr\u003eA: Absolutely. Before installing the new fan motor, inspect the hydraulic lines, fittings, and cooling system for contamination, blockages, or damaged O-rings. Flushing the hydraulic circuit and replacing the hydraulic filter is strongly recommended to prevent contaminant-driven failure of the new motor. Large excavators in mining and quarry applications operate in extreme contamination conditions — skipping the flush will likely destroy the new motor within hours.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What type of hydraulic oil is recommended for the fan motor circuit on CAT 365C and 385B?\u003c\/strong\u003e\u003cbr\u003eA: Caterpillar specifies Cat HYDO Advanced 10W or 30W hydraulic oil for the fan motor hydraulic circuit. Using non-CAT approved hydraulic fluids can cause accelerated wear, seal failure, and void the warranty. In demanding mining and quarry applications, hydraulic oil and filter changes should be performed more frequently than the standard interval.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How do I confirm this is the correct fan motor for my CAT excavator?\u003c\/strong\u003e\u003cbr\u003eA: Check the part number on your current fan motor — if it reads 2478978 or 247-8978, this is the correct replacement. If the label is worn or missing, provide your excavator serial number and we will verify compatibility before you order.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Does this fan motor come with mounting hardware or gaskets included?\u003c\/strong\u003e\u003cbr\u003eA: The fan motor is supplied as a complete unit. Depending on your excavator configuration, you may need separate mounting bolts, hydraulic fittings, gaskets, or O-rings. Contact us with your serial number and we will confirm exactly what is included and what additional parts you may need for installation.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What is the warranty on this engine fan motor?\u003c\/strong\u003e\u003cbr\u003eA: This fan motor comes with a 12-month warranty covering manufacturing defects. The warranty does not cover damage caused by contaminated hydraulic oil, improper installation, failure to flush the hydraulic system, or using non-CAT approved hydraulic fluids.\u003c\/p\u003e\n\u003cp\u003eLooking for this fan motor? Contact us today for pricing, availability, and lead time information.\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"\/pages\/contact\"\u003eRequest a Quote\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eRelated Products\u003c\/h3\u003e\n\u003cp\u003eExplore our full range of \u003ca href=\"\/collections\/construction-machinery-caterpillar\"\u003eCaterpillar fan motors\u003c\/a\u003e.\u003c\/p\u003e","brand":"Caterpillar","offers":[{"title":"Default Title","offer_id":46655799230620,"sku":"CAT-FM-2478978","price":0.0,"currency_code":"CNY","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0738\/7385\/0524\/files\/247-89781.jpg?v=1775740037"},{"product_id":"cat-345d-fan-motor-2959429-295-9429","title":"CAT 2959429 (295-9429) Fan Motor | Fits 345D Excavator","description":"\u003ch2\u003eCAT 2959429 (295-9429) Fan Motor | Fits 345D Excavator\u003c\/h2\u003e\n\u003cp\u003ePremium engine fan motor designed as a direct OEM-compatible replacement for Caterpillar 345D excavator. Built to deliver reliable cooling system performance and long service life in demanding mining, quarry, and heavy excavation applications.\u003c\/p\u003e\n\u003ch3\u003eProduct Highlights\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e 2959429 \/ 295-9429\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDirect Fit:\u003c\/strong\u003e No modifications required\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh Performance:\u003c\/strong\u003e Meets or exceeds original Caterpillar specifications\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurable Construction:\u003c\/strong\u003e Precision-engineered for long service life\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWide Application:\u003c\/strong\u003e Suitable for mining, quarry, and heavy excavation projects\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e 2959429 \/ 295-9429\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Type:\u003c\/strong\u003e Engine Fan Motor\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand Compatibility:\u003c\/strong\u003e Caterpillar (CAT)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Engine Cooling System\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 12 Months\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eCompatible Models\u003c\/h3\u003e\n\u003cp\u003eThis fan motor fits the following Caterpillar excavator:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eCaterpillar 345D Excavator\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eEngine Cooling Fan Drive System\u003c\/li\u003e\n\u003cli\u003eHydraulic Oil Cooling System\u003c\/li\u003e\n\u003cli\u003eRadiator Cooling and Heat Dissipation\u003c\/li\u003e\n\u003cli\u003eMining, Quarry, and Heavy Excavation Projects\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhy Choose This Fan Motor?\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eQuality Guaranteed - Manufactured to meet OEM standards\u003c\/li\u003e\n\u003cli\u003eReady to Ship - In stock and available for immediate dispatch\u003c\/li\u003e\n\u003cli\u003eExpert Support - Technical assistance available\u003c\/li\u003e\n\u003cli\u003eCompetitive Pricing - Cost-effective alternative to dealer parts\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What are the symptoms of a failing engine fan motor on a CAT 345D excavator?\u003c\/strong\u003e\u003cbr\u003eA: Common signs include engine overheating during normal operation, the cooling fan not spinning or spinning slowly, hydraulic-driven fan failing to respond to temperature changes, unusual noise (grinding or whining) from the fan motor area, and visible hydraulic oil leakage around the fan motor. The CAT 345D is a large excavator used in mining, quarry, and heavy excavation — overheating can lead to catastrophic engine failure, turbo damage, and extremely expensive downtime.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Does the 2959429 fit the CAT 345D excavator?\u003c\/strong\u003e\u003cbr\u003eA: Yes, the 2959429 (295-9429) is designed as a direct OEM-compatible replacement for the CAT 345D excavator. It matches the original fan motor mounting and hydraulic drive specifications exactly. Contact us with your excavator serial number to confirm exact compatibility.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What does the fan motor do on a CAT 345D excavator?\u003c\/strong\u003e\u003cbr\u003eA: The fan motor is a hydraulic-driven motor that spins the engine cooling fan. It is controlled by the engine cooling system — as coolant temperature rises, hydraulic flow to the fan motor increases, speeding up the fan to dissipate heat. On a large excavator like the 345D working in extreme conditions, a failing fan motor causes rapid engine overheating, risking warped cylinder heads and engine shutdown.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Should I check the hydraulic system when replacing this fan motor on a 345D?\u003c\/strong\u003e\u003cbr\u003eA: Yes. Before installing the new fan motor, inspect the hydraulic lines, fittings, and cooling system for contamination, blockages, or damaged O-rings. Flushing the hydraulic circuit and replacing the hydraulic filter is strongly recommended to prevent contaminant-driven failure of the new motor. Large excavators in mining and quarry environments operate under extreme contamination — skipping the flush will likely destroy the new motor within hours.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What type of hydraulic oil is recommended for the fan motor circuit on a CAT 345D?\u003c\/strong\u003e\u003cbr\u003eA: Caterpillar specifies Cat HYDO Advanced 10W or 30W hydraulic oil for the fan motor hydraulic circuit. Using non-CAT approved hydraulic fluids can cause accelerated wear, seal failure, and void the warranty. In demanding mining and quarry applications, more frequent hydraulic oil and filter changes are strongly recommended.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How do I confirm this is the correct fan motor for my CAT 345D excavator?\u003c\/strong\u003e\u003cbr\u003eA: Check the part number on your current fan motor — if it reads 2959429 or 295-9429, this is the correct replacement. If the label is worn or missing, provide your excavator serial number and we will verify compatibility before you order.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Does this fan motor come with mounting hardware or gaskets included?\u003c\/strong\u003e\u003cbr\u003eA: The fan motor is supplied as a complete unit. Depending on your excavator configuration, you may need separate mounting bolts, hydraulic fittings, gaskets, or O-rings. Contact us with your serial number and we will confirm exactly what is included and what additional parts you may need for installation.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What is the warranty on this engine fan motor?\u003c\/strong\u003e\u003cbr\u003eA: This fan motor comes with a 12-month warranty covering manufacturing defects. The warranty does not cover damage caused by contaminated hydraulic oil, improper installation, failure to flush the hydraulic system, or using non-CAT approved hydraulic fluids.\u003c\/p\u003e\n\u003cp\u003eLooking for this fan motor? Contact us today for pricing, availability, and lead time information.\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"\/pages\/contact\"\u003eRequest a Quote\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eRelated Products\u003c\/h3\u003e\n\u003cp\u003eExplore our full range of \u003ca href=\"\/collections\/construction-machinery-caterpillar\"\u003eCaterpillar fan motors\u003c\/a\u003e.\u003c\/p\u003e","brand":"Caterpillar","offers":[{"title":"Default Title","offer_id":46655981060252,"sku":"CAT-FM-2959429","price":0.0,"currency_code":"CNY","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0738\/7385\/0524\/files\/295-94291.jpg?v=1775744413"},{"product_id":"cat-336-340-345-349-352-350-355-fan-motor-5055180-505-5180","title":"CAT 5055180 (505-5180) Fan Motor | Fits 336 340 345 349 350 352 355 Excavator","description":"\u003ch2\u003eCAT 5055180 (505-5180) Fan Motor | Fits 336 340 345 349 350 352 355 Excavator\u003c\/h2\u003e\n\u003cp\u003ePremium engine fan motor designed as a direct OEM-compatible replacement for Caterpillar 336, 340, 345, 349, 350, 352, and 355 excavators. Built to deliver reliable cooling system performance and long service life in demanding mining, quarry, and heavy excavation applications.\u003c\/p\u003e\n\u003ch3\u003eProduct Highlights\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e 5055180 \/ 505-5180\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDirect Fit:\u003c\/strong\u003e No modifications required\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh Performance:\u003c\/strong\u003e Meets or exceeds original Caterpillar specifications\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurable Construction:\u003c\/strong\u003e Precision-engineered for long service life\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWide Application:\u003c\/strong\u003e Suitable for mining, quarry, and heavy excavation projects\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e 5055180 \/ 505-5180\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Type:\u003c\/strong\u003e Engine Fan Motor\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand Compatibility:\u003c\/strong\u003e Caterpillar (CAT)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Engine Cooling System\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 12 Months\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eCompatible Models\u003c\/h3\u003e\n\u003cp\u003eThis fan motor fits the following Caterpillar excavators:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eCaterpillar 336 Excavator\u003c\/li\u003e\n\u003cli\u003eCaterpillar 340 Excavator\u003c\/li\u003e\n\u003cli\u003eCaterpillar 345 Excavator\u003c\/li\u003e\n\u003cli\u003eCaterpillar 349 Excavator\u003c\/li\u003e\n\u003cli\u003eCaterpillar 350 Excavator\u003c\/li\u003e\n\u003cli\u003eCaterpillar 352 Excavator\u003c\/li\u003e\n\u003cli\u003eCaterpillar 355 Excavator\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eEngine Cooling Fan Drive System\u003c\/li\u003e\n\u003cli\u003eHydraulic Oil Cooling System\u003c\/li\u003e\n\u003cli\u003eRadiator Cooling and Heat Dissipation\u003c\/li\u003e\n\u003cli\u003eMining, Quarry, and Heavy Excavation Projects\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhy Choose This Fan Motor?\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eQuality Guaranteed - Manufactured to meet OEM standards\u003c\/li\u003e\n\u003cli\u003eReady to Ship - In stock and available for immediate dispatch\u003c\/li\u003e\n\u003cli\u003eExpert Support - Technical assistance available\u003c\/li\u003e\n\u003cli\u003eCompetitive Pricing - Cost-effective alternative to dealer parts\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What are the symptoms of a failing engine fan motor on CAT 336, 340, 345, 349, 350, 352, or 355 excavators?\u003c\/strong\u003e\u003cbr\u003eA: Common signs include engine overheating during normal operation, the cooling fan not spinning or spinning slowly, hydraulic-driven fan failing to respond to temperature changes, unusual noise (grinding or whining) from the fan motor area, and visible hydraulic oil leakage around the fan motor. These CAT excavator models are widely used in mining, quarry, and heavy excavation — overheating can lead to catastrophic engine failure, turbo damage, and expensive downtime.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Does the 5055180 fit all seven excavator models?\u003c\/strong\u003e\u003cbr\u003eA: Yes, the 5055180 (505-5180) is designed as a direct OEM-compatible replacement for the CAT 336, 340, 345, 349, 350, 352, and 355 excavators. These models share the same fan motor mounting and hydraulic drive architecture. Contact us with your excavator serial number to confirm exact compatibility.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What does the fan motor do on these CAT excavators?\u003c\/strong\u003e\u003cbr\u003eA: The fan motor is a hydraulic-driven motor that spins the engine cooling fan. It is controlled by the engine cooling system — as coolant temperature rises, hydraulic flow to the fan motor increases, speeding up the fan to dissipate heat. A failing fan motor causes inadequate cooling, leading to engine overheating, especially in hot weather or under heavy excavation load (mining, quarry, heavy construction).\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Should I check the hydraulic system when replacing this fan motor?\u003c\/strong\u003e\u003cbr\u003eA: Yes. Before installing the new fan motor, inspect the hydraulic lines, fittings, and cooling system for contamination, blockages, or damaged O-rings. Flushing the hydraulic circuit and replacing the hydraulic filter is strongly recommended to prevent contaminant-driven failure of the new motor. Excavators operating in mining and quarry environments are exposed to extreme contamination — skipping the flush will likely destroy the new motor within hours.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What type of hydraulic oil is recommended for the fan motor circuit on these CAT excavators?\u003c\/strong\u003e\u003cbr\u003eA: Caterpillar specifies Cat HYDO Advanced 10W or 30W hydraulic oil for the fan motor hydraulic circuit. Using non-CAT approved hydraulic fluids can cause accelerated wear, seal failure, and void the warranty. In demanding mining and quarry applications, more frequent hydraulic oil and filter changes are strongly recommended.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How do I confirm this is the correct fan motor for my CAT excavator?\u003c\/strong\u003e\u003cbr\u003eA: Check the part number on your current fan motor — if it reads 5055180 or 505-5180, this is the correct replacement. If the label is worn or missing, provide your excavator serial number and we will verify compatibility before you order.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Does this fan motor come with mounting hardware or gaskets included?\u003c\/strong\u003e\u003cbr\u003eA: The fan motor is supplied as a complete unit. Depending on your excavator configuration, you may need separate mounting bolts, hydraulic fittings, gaskets, or O-rings. Contact us with your serial number and we will confirm exactly what is included and what additional parts you may need for installation.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What is the warranty on this engine fan motor?\u003c\/strong\u003e\u003cbr\u003eA: This fan motor comes with a 12-month warranty covering manufacturing defects. The warranty does not cover damage caused by contaminated hydraulic oil, improper installation, failure to flush the hydraulic system, or using non-CAT approved hydraulic fluids.\u003c\/p\u003e\n\u003cp\u003eLooking for this fan motor? Contact us today for pricing, availability, and lead time information.\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"\/pages\/contact\"\u003eRequest a Quote\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eRelated Products\u003c\/h3\u003e\n\u003cp\u003eExplore our full range of \u003ca href=\"\/collections\/construction-machinery-caterpillar\"\u003eCaterpillar fan motors\u003c\/a\u003e.\u003c\/p\u003e","brand":"Caterpillar","offers":[{"title":"Default Title","offer_id":46656124944540,"sku":"CAT-FM-5055180","price":0.0,"currency_code":"CNY","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0738\/7385\/0524\/files\/505-51801.jpg?v=1775745885"},{"product_id":"cat-825g-980g-824g-fan-motor-1292413-129-2413","title":"CAT 1292413 (129-2413) Fan Motor | Fits 825G 980G 824G Wheel Loader","description":"\u003ch2\u003eCAT 1292413 (129-2413) Fan Motor | Fits 825G 980G 824G Wheel Loader\u003c\/h2\u003e\n\u003cp\u003ePremium engine fan motor designed as a direct OEM-compatible replacement for Caterpillar 825G, 980G, and 824G wheel loaders. Built to deliver reliable cooling system performance and long service life in demanding mining, quarry, and construction applications.\u003c\/p\u003e\n\u003ch3\u003eProduct Highlights\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e 1292413 \/ 129-2413\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDirect Fit:\u003c\/strong\u003e No modifications required\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh Performance:\u003c\/strong\u003e Meets or exceeds original Caterpillar specifications\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurable Construction:\u003c\/strong\u003e Precision-engineered for long service life\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWide Application:\u003c\/strong\u003e Suitable for mining, quarry, and construction projects\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e 1292413 \/ 129-2413\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Type:\u003c\/strong\u003e Engine Fan Motor\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand Compatibility:\u003c\/strong\u003e Caterpillar (CAT)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Engine Cooling System\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 12 Months\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eCompatible Models\u003c\/h3\u003e\n\u003cp\u003eThis fan motor fits the following Caterpillar wheel loaders:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eCaterpillar 825G Wheel Loader\u003c\/li\u003e\n\u003cli\u003eCaterpillar 980G Wheel Loader\u003c\/li\u003e\n\u003cli\u003eCaterpillar 824G Wheel Loader\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eEngine Cooling Fan Drive System\u003c\/li\u003e\n\u003cli\u003eHydraulic Oil Cooling System\u003c\/li\u003e\n\u003cli\u003eRadiator Cooling and Heat Dissipation\u003c\/li\u003e\n\u003cli\u003eMining, Quarry, and Construction Projects\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhy Choose This Fan Motor?\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eQuality Guaranteed - Manufactured to meet OEM standards\u003c\/li\u003e\n\u003cli\u003eReady to Ship - In stock and available for immediate dispatch\u003c\/li\u003e\n\u003cli\u003eExpert Support - Technical assistance available\u003c\/li\u003e\n\u003cli\u003eCompetitive Pricing - Cost-effective alternative to dealer parts\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What are the symptoms of a failing engine fan motor on CAT 825G, 980G, or 824G wheel loaders?\u003c\/strong\u003e\u003cbr\u003eA: Common signs include engine overheating during normal operation, the cooling fan not spinning or spinning slowly, hydraulic-driven fan failing to respond to temperature changes, unusual noise (grinding or whining) from the fan motor area, and visible hydraulic oil leakage around the fan motor. The CAT 825G, 980G, and 824G are widely used in mining, quarry, and landfill compaction applications — overheating in these environments can lead to catastrophic engine failure and costly downtime.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Does the 1292413 fit all three wheel loader models?\u003c\/strong\u003e\u003cbr\u003eA: Yes, the 1292413 (129-2413) is designed as a direct OEM-compatible replacement for the CAT 825G, 980G, and 824G wheel loaders. These models share the same fan motor mounting and hydraulic drive architecture. Contact us with your wheel loader serial number to confirm exact compatibility.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What does the fan motor do on these CAT wheel loaders?\u003c\/strong\u003e\u003cbr\u003eA: The fan motor is a hydraulic-driven motor that spins the engine cooling fan. It is controlled by the engine cooling system — as coolant temperature rises, hydraulic flow to the fan motor increases, speeding up the fan to dissipate heat. A failing fan motor causes inadequate cooling, leading to engine overheating, especially in hot weather or under heavy load (mining, quarry, landfill compaction).\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Should I check the hydraulic system when replacing this fan motor on a CAT wheel loader?\u003c\/strong\u003e\u003cbr\u003eA: Yes. Before installing the new fan motor, inspect the hydraulic lines, fittings, and cooling system for contamination, blockages, or damaged O-rings. Flushing the hydraulic circuit and replacing the hydraulic filter is strongly recommended to prevent contaminant-driven failure of the new motor. In mining, quarry, and landfill environments, contamination is a leading cause of premature fan motor failure.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What type of hydraulic oil is recommended for the fan motor circuit?\u003c\/strong\u003e\u003cbr\u003eA: Caterpillar specifies Cat HYDO Advanced 10W or 30W hydraulic oil for the fan motor hydraulic circuit. Using non-CAT approved hydraulic fluids can cause accelerated wear, seal failure, and void the warranty. In high-dust environments (mining, quarry, landfill), more frequent hydraulic oil and filter changes are recommended.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How do I confirm this is the correct fan motor for my CAT wheel loader?\u003c\/strong\u003e\u003cbr\u003eA: Check the part number on your current fan motor — if it reads 1292413 or 129-2413, this is the correct replacement. If the label is worn or missing, provide your wheel loader serial number and we will verify compatibility before you order.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Does this fan motor come with mounting hardware or gaskets included?\u003c\/strong\u003e\u003cbr\u003eA: The fan motor is supplied as a complete unit. Depending on your wheel loader configuration, you may need separate mounting bolts, hydraulic fittings, gaskets, or O-rings. Contact us with your serial number and we will confirm exactly what is included and what additional parts you may need for installation.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What is the warranty on this engine fan motor?\u003c\/strong\u003e\u003cbr\u003eA: This fan motor comes with a 12-month warranty covering manufacturing defects. The warranty does not cover damage caused by contaminated hydraulic oil, improper installation, failure to flush the hydraulic system, or using non-CAT approved hydraulic fluids.\u003c\/p\u003e\n\u003cp\u003eLooking for this fan motor? Contact us today for pricing, availability, and lead time information.\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"\/pages\/contact\"\u003eRequest a Quote\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eRelated Products\u003c\/h3\u003e\n\u003cp\u003eExplore our full range of \u003ca href=\"\/collections\/construction-machinery-caterpillar\"\u003eCaterpillar piston pumps\u003c\/a\u003e.\u003c\/p\u003e","brand":"Caterpillar","offers":[{"title":"Default Title","offer_id":46656125599900,"sku":"CAT-FM-1292413","price":0.0,"currency_code":"CNY","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0738\/7385\/0524\/files\/129-24131.jpg?v=1775746205"},{"product_id":"cat-330d-345b-fan-motor-1559107-155-9107","title":"CAT 1559107 (155-9107) Fan Motor | Fits 330D 345B Excavator","description":"\u003ch2\u003eCAT 1559107 (155-9107) Fan Motor | Fits 330D 345B Excavator\u003c\/h2\u003e\n\u003cp\u003ePremium engine fan motor designed as a direct OEM-compatible replacement for Caterpillar 330D and 345B excavators. Built to deliver reliable cooling system performance and long service life in demanding mining, quarry, and heavy excavation applications.\u003c\/p\u003e\n\u003ch3\u003eProduct Highlights\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e 1559107 \/ 155-9107\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDirect Fit:\u003c\/strong\u003e No modifications required\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh Performance:\u003c\/strong\u003e Meets or exceeds original Caterpillar specifications\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurable Construction:\u003c\/strong\u003e Precision-engineered for long service life\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWide Application:\u003c\/strong\u003e Suitable for mining, quarry, and heavy excavation projects\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e 1559107 \/ 155-9107\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Type:\u003c\/strong\u003e Engine Fan Motor\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand Compatibility:\u003c\/strong\u003e Caterpillar (CAT)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Engine Cooling System\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 12 Months\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eCompatible Models\u003c\/h3\u003e\n\u003cp\u003eThis fan motor fits the following Caterpillar excavators:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eCaterpillar 330D Excavator\u003c\/li\u003e\n\u003cli\u003eCaterpillar 345B Excavator\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eEngine Cooling Fan Drive System\u003c\/li\u003e\n\u003cli\u003eHydraulic Oil Cooling System\u003c\/li\u003e\n\u003cli\u003eRadiator Cooling and Heat Dissipation\u003c\/li\u003e\n\u003cli\u003eMining, Quarry, and Heavy Excavation Projects\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhy Choose This Fan Motor?\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eQuality Guaranteed - Manufactured to meet OEM standards\u003c\/li\u003e\n\u003cli\u003eReady to Ship - In stock and available for immediate dispatch\u003c\/li\u003e\n\u003cli\u003eExpert Support - Technical assistance available\u003c\/li\u003e\n\u003cli\u003eCompetitive Pricing - Cost-effective alternative to dealer parts\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What are the symptoms of a failing engine fan motor on CAT 330D or 345B excavators?\u003c\/strong\u003e\u003cbr\u003eA: Common signs include engine overheating during normal operation, the cooling fan not spinning or spinning slowly, hydraulic-driven fan failing to respond to temperature changes, unusual noise (grinding or whining) from the fan motor area, and visible hydraulic oil leakage around the fan motor. The CAT 330D and 345B are widely used in mining, quarry, and heavy excavation — overheating can lead to catastrophic engine failure, turbo damage, and expensive downtime.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Does the 1559107 fit both excavator models?\u003c\/strong\u003e\u003cbr\u003eA: Yes, the 1559107 (155-9107) is designed as a direct OEM-compatible replacement for the CAT 330D and 345B excavators. These models share the same fan motor mounting and hydraulic drive architecture. Contact us with your excavator serial number to confirm exact compatibility.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What does the fan motor do on these CAT excavators?\u003c\/strong\u003e\u003cbr\u003eA: The fan motor is a hydraulic-driven motor that spins the engine cooling fan. It is controlled by the engine cooling system — as coolant temperature rises, hydraulic flow to the fan motor increases, speeding up the fan to dissipate heat. A failing fan motor causes inadequate cooling, leading to engine overheating, especially in hot weather or under heavy excavation load (mining, quarry, heavy construction).\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Should I check the hydraulic system when replacing this fan motor on a 330D or 345B?\u003c\/strong\u003e\u003cbr\u003eA: Yes. Before installing the new fan motor, inspect the hydraulic lines, fittings, and cooling system for contamination, blockages, or damaged O-rings. Flushing the hydraulic circuit and replacing the hydraulic filter is strongly recommended to prevent contaminant-driven failure of the new motor. Excavators operating in mining and quarry environments are exposed to extreme contamination — skipping the flush will likely destroy the new motor within hours.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What type of hydraulic oil is recommended for the fan motor circuit on CAT 330D and 345B?\u003c\/strong\u003e\u003cbr\u003eA: Caterpillar specifies Cat HYDO Advanced 10W or 30W hydraulic oil for the fan motor hydraulic circuit. Using non-CAT approved hydraulic fluids can cause accelerated wear, seal failure, and void the warranty. In demanding mining and quarry applications, more frequent hydraulic oil and filter changes are strongly recommended.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How do I confirm this is the correct fan motor for my CAT excavator?\u003c\/strong\u003e\u003cbr\u003eA: Check the part number on your current fan motor — if it reads 1559107 or 155-9107, this is the correct replacement. If the label is worn or missing, provide your excavator serial number and we will verify compatibility before you order.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Does this fan motor come with mounting hardware or gaskets included?\u003c\/strong\u003e\u003cbr\u003eA: The fan motor is supplied as a complete unit. Depending on your excavator configuration, you may need separate mounting bolts, hydraulic fittings, gaskets, or O-rings. Contact us with your serial number and we will confirm exactly what is included and what additional parts you may need for installation.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What is the warranty on this engine fan motor?\u003c\/strong\u003e\u003cbr\u003eA: This fan motor comes with a 12-month warranty covering manufacturing defects. The warranty does not cover damage caused by contaminated hydraulic oil, improper installation, failure to flush the hydraulic system, or using non-CAT approved hydraulic fluids.\u003c\/p\u003e\n\u003cp\u003eLooking for this fan motor? Contact us today for pricing, availability, and lead time information.\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"\/pages\/contact\"\u003eRequest a Quote\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eRelated Products\u003c\/h3\u003e\n\u003cp\u003eExplore our full range of \u003ca href=\"\/collections\/construction-machinery-caterpillar\"\u003eCaterpillar piston pumps\u003c\/a\u003e.\u003c\/p\u003e","brand":"Caterpillar","offers":[{"title":"Default Title","offer_id":46671376384156,"sku":"CAT-FM-1559107","price":0.0,"currency_code":"CNY","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0738\/7385\/0524\/files\/155-91071.jpg?v=1776086000"},{"product_id":"cat-826g-ii-826h-825g-ii-825h-824g-ii-824h-piston-pump-1843124-184-3124","title":"CAT 1843124 (184-3124) Piston Pump | Fits 826G II 826H 825G II 825H 824G II 824H","description":"\u003ch2\u003eCAT 1843124 (184-3124) Piston Pump | Fits 826G II 826H 825G II 825H 824G II 824H Wheel Loader\u003c\/h2\u003e\n\u003cp\u003ePremium hydraulic piston pump designed as a direct OEM-compatible replacement for Caterpillar 826G II, 826H, 825G II, 825H, 824G II, and 824H wheel loaders. Built to deliver consistent hydraulic performance and long service life in demanding mining, quarry, and construction applications.\u003c\/p\u003e\n\u003ch3\u003eProduct Highlights\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e 1843124 \/ 184-3124\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDirect Fit:\u003c\/strong\u003e No modifications required\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh Performance:\u003c\/strong\u003e Meets or exceeds original Caterpillar specifications\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurable Construction:\u003c\/strong\u003e Precision-engineered for long service life\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWide Application:\u003c\/strong\u003e Suitable for mining, quarry, and construction projects\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e 1843124 \/ 184-3124\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Type:\u003c\/strong\u003e Variable Displacement Piston Pump\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand Compatibility:\u003c\/strong\u003e Caterpillar (CAT)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Hydraulic System\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 12 Months\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eCompatible Models\u003c\/h3\u003e\n\u003cp\u003eThis piston pump fits the following Caterpillar wheel loaders:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eCaterpillar 826G II Wheel Loader\u003c\/li\u003e\n\u003cli\u003eCaterpillar 826H Wheel Loader\u003c\/li\u003e\n\u003cli\u003eCaterpillar 825G II Wheel Loader\u003c\/li\u003e\n\u003cli\u003eCaterpillar 825H Wheel Loader\u003c\/li\u003e\n\u003cli\u003eCaterpillar 824G II Wheel Loader\u003c\/li\u003e\n\u003cli\u003eCaterpillar 824H Wheel Loader\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eWheel Loader Lift and Tilt Functions\u003c\/li\u003e\n\u003cli\u003eWheel Loader Drive and Steering Systems\u003c\/li\u003e\n\u003cli\u003eHeavy-Duty Loading and Digging Operations\u003c\/li\u003e\n\u003cli\u003eMining, Quarry, and Construction Projects\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhy Choose This Pump?\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eQuality Guaranteed - Manufactured to meet OEM standards\u003c\/li\u003e\n\u003cli\u003eReady to Ship - In stock and available for immediate dispatch\u003c\/li\u003e\n\u003cli\u003eExpert Support - Technical assistance available\u003c\/li\u003e\n\u003cli\u003eCompetitive Pricing - Cost-effective alternative to dealer parts\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What are the symptoms of a failing hydraulic piston pump on CAT 826G II, 826H, 825G II, 825H, 824G II, or 824H wheel loaders?\u003c\/strong\u003e\u003cbr\u003eA: Common signs include slow or weak lift and tilt response, the loader bucket hesitating or stalling when raising heavy loads, hydraulic oil overheating during normal loading cycles, whining or knocking noise from the pump area, and visible hydraulic fluid leakage. The 826G II and 826H are large wheel loaders used in high-production mining and landfill operations — pump failure causes immediate and severe productivity loss.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Does the 1843124 fit all six wheel loader models?\u003c\/strong\u003e\u003cbr\u003eA: Yes, the 1843124 (184-3124) is designed as a direct OEM-compatible replacement for the CAT 826G II, 826H, 825G II, 825H, 824G II, and 824H wheel loaders. These models share the same pump mounting and hydraulic system architecture. Contact us with your loader serial number to confirm exact compatibility.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What hydraulic functions does this pump support?\u003c\/strong\u003e\u003cbr\u003eA: As the main hydraulic pump, it supplies flow to the lift and tilt circuits (bucket functions), steering system, and any auxiliary circuits. In high-production loading applications like the 826G II in mining, the pump operates continuously under heavy load — any performance loss directly reduces loading cycle efficiency and tons per hour.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Should I flush the hydraulic system when replacing this pump on a large wheel loader?\u003c\/strong\u003e\u003cbr\u003eA: Always, and with extra diligence. Large wheel loaders like the 826G II and 826H operate under extreme continuous load in mining and landfill applications. Metal particles and contaminants from the old pump can destroy the new pump within hours. Drain and replace all hydraulic oil, flush the system thoroughly with clean oil, replace all filters, and refill with fresh Cat HYDO Advanced hydraulic oil. We strongly recommend professional installation.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What type of hydraulic oil is recommended for these wheel loaders?\u003c\/strong\u003e\u003cbr\u003eA: Caterpillar specifies Cat HYDO Advanced 10W or 30W depending on ambient operating temperature. For large wheel loaders in mining and landfill operations under constant heavy load, using non-CAT approved hydraulic fluids can cause immediate pump failure and void the warranty.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How do I confirm this is the correct pump for my wheel loader?\u003c\/strong\u003e\u003cbr\u003eA: Check the part number on your current hydraulic pump — if it reads 1843124 or 184-3124, this is the correct replacement. If the label is worn or missing (common in landfill\/compaction environments), provide your wheel loader serial number and we will verify compatibility before you order.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Does this pump come with mounting hardware or gaskets included?\u003c\/strong\u003e\u003cbr\u003eA: The pump is supplied as a complete unit. Depending on your wheel loader configuration, you may need separate mounting bolts, gaskets, or O-rings. Contact us with your serial number and we will confirm exactly what is included and what additional parts you may need for installation.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What is the warranty on this hydraulic piston pump?\u003c\/strong\u003e\u003cbr\u003eA: This piston pump comes with a 12-month warranty covering manufacturing defects. The warranty does not cover damage caused by contaminated hydraulic oil, improper installation, failure to flush the hydraulic system, or using non-CAT approved hydraulic fluids.\u003c\/p\u003e\n\u003cp\u003eLooking for this hydraulic pump? Contact us today for pricing, availability, and lead time information.\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"\/pages\/contact\"\u003eRequest a Quote\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eRelated Products\u003c\/h3\u003e\n\u003cp\u003eExplore our full range of \u003ca href=\"\/collections\/construction-machinery-caterpillar\"\u003eCaterpillar piston pumps\u003c\/a\u003e.\u003c\/p\u003e","brand":"Caterpillar","offers":[{"title":"Default Title","offer_id":46671423602844,"sku":"CAT-PP-1843124","price":0.0,"currency_code":"CNY","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0738\/7385\/0524\/files\/184-3124_1.jpg?v=1776867820"},{"product_id":"cat-826g-826h-825g-825h-piston-pump-1053635-105-3635","title":"CAT 1053635 (105-3635) Piston Pump | Fits 826G 826H 825G 825H Wheel Loader","description":"\u003ch2\u003eCAT 1053635 (105-3635) Piston Pump | Fits 825G 825H 826G 826H Compactor\u003c\/h2\u003e\n\n\u003cp\u003ePremium hydraulic piston pump designed as a direct OEM-compatible replacement for Caterpillar 825G and 825H soil compactors, and 826G and 826H landfill compactors. Built to deliver consistent hydraulic power for drum drive, steering, and vibration systems in demanding soil compaction, landfill operations, and heavy earthwork applications.\u003c\/p\u003e\n\n\u003ch3\u003eProduct Highlights\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e 1053635 \/ 105-3635\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDirect Fit:\u003c\/strong\u003e No modifications required\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh Performance:\u003c\/strong\u003e Meets or exceeds original Caterpillar specifications\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurable Construction:\u003c\/strong\u003e Precision-engineered for long service life\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWide Application:\u003c\/strong\u003e Suitable for soil compaction, landfill, and heavy earthwork projects\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e 1053635 \/ 105-3635\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Type:\u003c\/strong\u003e Variable Displacement Piston Pump\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand Compatibility:\u003c\/strong\u003e Caterpillar (CAT)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Hydraulic System\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 12 Months\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eCompatible Models\u003c\/h3\u003e\n\u003cp\u003eThis piston pump fits the following Caterpillar compactor models:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eCaterpillar 825G Soil Compactor\u003c\/li\u003e\n\u003cli\u003eCaterpillar 825H Soil Compactor\u003c\/li\u003e\n\u003cli\u003eCaterpillar 826G Landfill Compactor\u003c\/li\u003e\n\u003cli\u003eCaterpillar 826H Landfill Compactor\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eMain Hydraulic Pump Replacement\u003c\/li\u003e\n\u003cli\u003eDrum Drive and Steering Systems\u003c\/li\u003e\n\u003cli\u003eVibratory System Hydraulic Supply\u003c\/li\u003e\n\u003cli\u003eSoil Compaction, Landfill, and Earthwork Projects\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhy Choose This Pump?\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eQuality Guaranteed - Manufactured to meet OEM standards\u003c\/li\u003e\n\u003cli\u003eReady to Ship - In stock and available for immediate dispatch\u003c\/li\u003e\n\u003cli\u003eExpert Support - Technical assistance available\u003c\/li\u003e\n\u003cli\u003eCompetitive Pricing - Cost-effective alternative to dealer parts\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Is this pump an original Caterpillar part?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: This is an OEM-compatible aftermarket replacement that meets or exceeds Caterpillar specifications.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: What is the warranty period?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: This pump comes with a 12-month warranty covering manufacturing defects.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: Do you offer bulk pricing?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: Yes, we offer competitive bulk pricing for dealers and fleet operators. Contact us for a quote.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: What is the lead time?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: Standard items typically ship within 3-5 business days. Contact us for expedited options.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eLooking for this hydraulic pump?\u003c\/strong\u003e Contact us today for pricing, availability, and lead time information.\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"\/pages\/contact\"\u003eRequest a Quote\u003c\/a\u003e\u003c\/p\u003e\n\n\u003ch3\u003eRelated Products\u003c\/h3\u003e\n\u003cp\u003eExplore our full range of \u003ca href=\"\/collections\/construction-machinery-caterpillar\"\u003eCaterpillar piston pumps\u003c\/a\u003e.\u003c\/p\u003e\n","brand":"Caterpillar","offers":[{"title":"Default Title","offer_id":46671711273116,"sku":"CAT-PP-1053635","price":0.0,"currency_code":"CNY","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0738\/7385\/0524\/files\/105-36351.jpg?v=1776090428"},{"product_id":"cat-385b-385c-390d-piston-pump-1709918-170-9918","title":"CAT 1709918 (170-9918) Piston Pump | Fits 385B 385C 390D Excavator","description":"\u003ch2\u003eCAT 1709918 (170-9918) Piston Pump | Fits 385B 385C 390D Excavator\u003c\/h2\u003e\n\n\u003cp\u003ePremium hydraulic piston pump designed as a direct OEM-compatible replacement for Caterpillar 385B, 385C, and 390D large excavators. Built to deliver consistent hydraulic performance and long service life in demanding mining, quarry, and massive earthmoving applications.\u003c\/p\u003e\n\n\u003ch3\u003eProduct Highlights\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e 1709918 \/ 170-9918\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDirect Fit:\u003c\/strong\u003e No modifications required\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh Performance:\u003c\/strong\u003e Meets or exceeds original Caterpillar specifications\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurable Construction:\u003c\/strong\u003e Precision-engineered for long service life\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWide Application:\u003c\/strong\u003e Suitable for mining, quarry, and massive earthmoving projects\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e 1709918 \/ 170-9918\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Type:\u003c\/strong\u003e Variable Displacement Piston Pump\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand Compatibility:\u003c\/strong\u003e Caterpillar (CAT)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Hydraulic System\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 12 Months\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eCompatible Models\u003c\/h3\u003e\n\u003cp\u003eThis piston pump fits the following Caterpillar large excavators:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eCaterpillar 385B Excavator\u003c\/li\u003e\n\u003cli\u003eCaterpillar 385C Excavator\u003c\/li\u003e\n\u003cli\u003eCaterpillar 390D Excavator\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eLarge Excavator Digging and Trenching Operations\u003c\/li\u003e\n\u003cli\u003eHydraulic Breaker and Attachment Drive\u003c\/li\u003e\n\u003cli\u003eMass Excavation and Material Handling\u003c\/li\u003e\n\u003cli\u003eMining, Quarry, and Heavy Earthmoving Projects\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhy Choose This Pump?\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eQuality Guaranteed - Manufactured to meet OEM standards\u003c\/li\u003e\n\u003cli\u003eReady to Ship - In stock and available for immediate dispatch\u003c\/li\u003e\n\u003cli\u003eExpert Support - Technical assistance available\u003c\/li\u003e\n\u003cli\u003eCompetitive Pricing - Cost-effective alternative to dealer parts\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: Is this pump an original Caterpillar part?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: This is an OEM-compatible aftermarket replacement that meets or exceeds Caterpillar specifications.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: What is the warranty period?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: This pump comes with a 12-month warranty covering manufacturing defects.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: Do you offer bulk pricing?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: Yes, we offer competitive bulk pricing for dealers and fleet operators. Contact us for a quote.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: What is the lead time?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: Standard items typically ship within 3-5 business days. Contact us for expedited options.\u003c\/p\u003e\n\n\u003cp\u003eLooking for this hydraulic pump? Contact us today for pricing, availability, and lead time information.\u003c\/p\u003e\n\n\u003cp\u003e\u003ca href=\"\/pages\/contact\"\u003eRequest a Quote\u003c\/a\u003e\u003c\/p\u003e\n\n\u003ch3\u003eRelated Products\u003c\/h3\u003e\n\n\u003cp\u003eExplore our full range of \u003ca href=\"\/collections\/construction-machinery-caterpillar\"\u003eCaterpillar piston pumps\u003c\/a\u003e.\u003c\/p\u003e\n","brand":"Caterpillar","offers":[{"title":"Default Title","offer_id":46671712125084,"sku":"CAT-PP-1709918","price":0.0,"currency_code":"CNY","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0738\/7385\/0524\/files\/170-99181.jpg?v=1776090801"},{"product_id":"cat-307d-308d-piston-pump-2963867-296-3867","title":"CAT 2963867 (296-3867) Piston Pump | Fits 307D 308D Mini Excavator","description":"\u003ch2\u003eCAT 2963867 (296-3867) Piston Pump | Fits 307D 308D Mini Excavator\u003c\/h2\u003e\n\n\u003cp\u003ePremium hydraulic piston pump designed as a direct OEM-compatible replacement for Caterpillar 307D and 308D mini excavators. Built to deliver consistent hydraulic performance and long service life in demanding utility, landscaping, and municipal construction applications.\u003c\/p\u003e\n\n\u003ch3\u003eProduct Highlights\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e 2963867 \/ 296-3867\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDirect Fit:\u003c\/strong\u003e No modifications required\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh Performance:\u003c\/strong\u003e Meets or exceeds original Caterpillar specifications\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurable Construction:\u003c\/strong\u003e Precision-engineered for long service life\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWide Application:\u003c\/strong\u003e Suitable for utility, landscaping, and municipal projects\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e 2963867 \/ 296-3867\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Type:\u003c\/strong\u003e Variable Displacement Piston Pump\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand Compatibility:\u003c\/strong\u003e Caterpillar (CAT)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Hydraulic System\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 12 Months\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eCompatible Models\u003c\/h3\u003e\n\u003cp\u003eThis piston pump fits the following Caterpillar mini excavators:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eCaterpillar 307D Mini Excavator\u003c\/li\u003e\n\u003cli\u003eCaterpillar 308D Mini Excavator\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eMini Excavator Trenching and Digging Operations\u003c\/li\u003e\n\u003cli\u003eMini Excavator Precision Grading and Leveling\u003c\/li\u003e\n\u003cli\u003eBackfilling and Site Preparation Work\u003c\/li\u003e\n\u003cli\u003eUtility and Municipal Construction Projects\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhy Choose This Pump?\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eQuality Guaranteed - Manufactured to meet OEM standards\u003c\/li\u003e\n\u003cli\u003eReady to Ship - In stock and available for immediate dispatch\u003c\/li\u003e\n\u003cli\u003eExpert Support - Technical assistance available\u003c\/li\u003e\n\u003cli\u003eCompetitive Pricing - Cost-effective alternative to dealer parts\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: Is this pump an original Caterpillar part?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: This is an OEM-compatible aftermarket replacement that meets or exceeds Caterpillar specifications.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: What is the warranty period?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: This pump comes with a 12-month warranty covering manufacturing defects.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: Do you offer bulk pricing?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: Yes, we offer competitive bulk pricing for dealers and fleet operators. Contact us for a quote.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: What is the lead time?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: Standard items typically ship within 3-5 business days. Contact us for expedited options.\u003c\/p\u003e\n\n\u003cp\u003eLooking for this hydraulic pump? Contact us today for pricing, availability, and lead time information.\u003c\/p\u003e\n\n\u003cp\u003e\u003ca href=\"\/pages\/contact\"\u003eRequest a Quote\u003c\/a\u003e\u003c\/p\u003e\n\n\u003ch3\u003eRelated Products\u003c\/h3\u003e\n\n\u003cp\u003eExplore our full range of \u003ca href=\"\/collections\/construction-machinery-caterpillar\"\u003eCaterpillar piston pumps\u003c\/a\u003e.\u003c\/p\u003e\n","brand":"Caterpillar","offers":[{"title":"Default Title","offer_id":46671855616156,"sku":"CAT-PP-2963867","price":0.0,"currency_code":"CNY","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0738\/7385\/0524\/files\/296-38671.jpg?v=1776092026"},{"product_id":"cat-345b-345b-l-piston-motor-1438080-143-8080","title":"CAT 1438080 (143-8080) Piston Motor | Fits 345B 345B L Excavator","description":"\u003ch2\u003eCAT 1438080 (143-8080) Piston Motor | Fits 345B 345B L Excavator\u003c\/h2\u003e\n\u003cp\u003ePremium hydraulic piston motor designed as a direct OEM-compatible replacement for Caterpillar 345B and 345B L hydraulic excavators. Built to deliver reliable swing, travel, or implement drive power and long service life in demanding excavation, mining, and heavy earthmoving applications.\u003c\/p\u003e\n\u003ch3\u003eProduct Highlights\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e 1438080 \/ 143-8080\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDirect Fit:\u003c\/strong\u003e No modifications required\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh Performance:\u003c\/strong\u003e Meets or exceeds original Caterpillar specifications\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurable Construction:\u003c\/strong\u003e Precision-engineered for long service life\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWide Application:\u003c\/strong\u003e Suitable for excavation, mining, and heavy earthmoving projects\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e 1438080 \/ 143-8080\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Type:\u003c\/strong\u003e Hydraulic Piston Motor\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand Compatibility:\u003c\/strong\u003e Caterpillar (CAT)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Swing or Travel Drive System\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 12 Months\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eCompatible Models\u003c\/h3\u003e\n\u003cp\u003eThis piston motor fits the following Caterpillar excavator models:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eCaterpillar 345B Hydraulic Excavator\u003c\/li\u003e\n\u003cli\u003eCaterpillar 345B L Hydraulic Excavator\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSwing Drive Motor Replacement\u003c\/li\u003e\n\u003cli\u003eTravel Drive Motor Replacement\u003c\/li\u003e\n\u003cli\u003eHydraulic Implement System Repair\u003c\/li\u003e\n\u003cli\u003eExcavation, Mining, and Heavy Earthmoving Projects\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhy Choose This Piston Motor?\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eQuality Guaranteed - Manufactured to meet OEM standards\u003c\/li\u003e\n\u003cli\u003eReady to Ship - In stock and available for immediate dispatch\u003c\/li\u003e\n\u003cli\u003eExpert Support - Technical assistance available\u003c\/li\u003e\n\u003cli\u003eCompetitive Pricing - Cost-effective alternative to dealer parts\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What are the symptoms of a failing hydraulic piston motor on CAT 345B or 345B L excavators?\u003c\/strong\u003e\u003cbr\u003eA: Common signs include slow or failed swing\/rotation, the excavator upper structure failing to rotate smoothly, travel drive becoming sluggish or non-responsive, hydraulic oil overheating during operation, whining or grinding noise from the motor area, and visible hydraulic fluid leakage. The 345B and 345B L are large excavators used in heavy construction and excavation — piston motor failure causes loss of swing or travel capability, severely limiting machine functionality.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Does the 1438080 fit both the 345B and 345B L excavators?\u003c\/strong\u003e\u003cbr\u003eA: Yes, the 1438080 (143-8080) is designed as a direct OEM-compatible replacement for both the CAT 345B and 345B L hydraulic excavators. These models share the same motor mounting and hydraulic system architecture. Contact us with your excavator serial number to confirm exact compatibility.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What hydraulic functions does this piston motor support on an excavator?\u003c\/strong\u003e\u003cbr\u003eA: The 1438080 piston motor is typically used for swing drive (rotating the upper structure) and\/or travel drive (propeling the excavator). A failing swing motor causes the excavator to rotate slowly or not at all — this severely impacts digging efficiency and cycle times. A failing travel motor causes sluggish or failed track movement. Given the 345B's size and production demands, motor issues should be diagnosed and addressed promptly to avoid expensive downtime.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Should I flush the hydraulic system when replacing this piston motor on a large excavator?\u003c\/strong\u003e\u003cbr\u003eA: Always, and with extra diligence. Large excavators like the 345B operate under extreme continuous load. Metal particles and contaminants from the old motor can destroy the new motor within hours. Drain and replace all hydraulic oil, flush the system thoroughly with clean oil, replace all filters, and refill with fresh Cat HYDO Advanced hydraulic oil. We strongly recommend professional installation by a qualified technician or CAT dealer service center.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What type of hydraulic oil is recommended for the CAT 345B and 345B L?\u003c\/strong\u003e\u003cbr\u003eA: Caterpillar specifies Cat HYDO Advanced 10W or 30W depending on ambient operating temperature. For large excavators operating under constant heavy load, using non-CAT approved hydraulic fluids can cause immediate motor failure, accelerated wear, and void the warranty.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How do I confirm this is the correct piston motor for my excavator?\u003c\/strong\u003e\u003cbr\u003eA: Check the part number on your current piston motor — if it reads 1438080 or 143-8080, this is the correct replacement. If the label is worn or missing, provide your 345B or 345B L serial number and we will verify compatibility before you order.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Does this piston motor come with mounting hardware or gaskets included?\u003c\/strong\u003e\u003cbr\u003eA: The motor is supplied as a complete unit. Depending on your excavator configuration, you may need separate mounting bolts, gaskets, or O-rings. Contact us with your serial number and we will confirm exactly what is included and what additional parts you may need for installation.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What is the warranty on this hydraulic piston motor?\u003c\/strong\u003e\u003cbr\u003eA: This piston motor comes with a 12-month warranty covering manufacturing defects. The warranty does not cover damage caused by contaminated hydraulic oil, improper installation, failure to flush the hydraulic system, or using non-CAT approved hydraulic fluids.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eLooking for this piston motor?\u003c\/strong\u003e Contact us today for pricing, availability, and lead time information.\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"\/pages\/contact\"\u003eRequest a Quote\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eRelated Products\u003c\/h3\u003e\n\u003cp\u003eExplore our full range of \u003ca href=\"\/collections\/construction-machinery-caterpillar\"\u003eCaterpillar piston pumps\u003c\/a\u003e.\u003c\/p\u003e","brand":"Caterpillar","offers":[{"title":"Default Title","offer_id":46676111196316,"sku":"CAT-PM-1438080","price":0.0,"currency_code":"CNY","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0738\/7385\/0524\/files\/143-80801.jpg?v=1776172307"},{"product_id":"cat-c11-c13-c15-c18-piston-pump-2976993-297-6993","title":"CAT 2976993 (297-6993) Piston Pump | Fits C11 C13 C15 C18 Engine","description":"\u003ch2\u003eCAT 2976993 (297-6993) Piston Pump | Fits C11 C13 C15 C18 Engine\u003c\/h2\u003e\n\n\u003cp\u003ePremium hydraulic piston pump designed as a direct OEM-compatible replacement for Caterpillar C11, C13, C15, and C18 diesel engines. Built to deliver consistent hydraulic performance and long service life in demanding earthmoving, mining, and construction applications.\u003c\/p\u003e\n\n\u003ch3\u003eProduct Highlights\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e 2976993 \/ 297-6993\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDirect Fit:\u003c\/strong\u003e No modifications required\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh Performance:\u003c\/strong\u003e Meets or exceeds original Caterpillar specifications\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurable Construction:\u003c\/strong\u003e Precision-engineered for long service life\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWide Application:\u003c\/strong\u003e Suitable for earthmoving, mining, and construction projects\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e 2976993 \/ 297-6993\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Type:\u003c\/strong\u003e Variable Displacement Piston Pump\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand Compatibility:\u003c\/strong\u003e Caterpillar (CAT)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Hydraulic System\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 12 Months\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eCompatible Models\u003c\/h3\u003e\n\u003cp\u003eThis piston pump fits the following Caterpillar diesel engines:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eCaterpillar C11 Diesel Engine\u003c\/li\u003e\n\u003cli\u003eCaterpillar C13 Diesel Engine\u003c\/li\u003e\n\u003cli\u003eCaterpillar C15 Diesel Engine\u003c\/li\u003e\n\u003cli\u003eCaterpillar C18 Diesel Engine\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eEngine Hydraulic Power Steering System Repair\u003c\/li\u003e\n\u003cli\u003eEngine Fan and Cooling System Drive\u003c\/li\u003e\n\u003cli\u003eHeavy Mining and Quarrying Operations\u003c\/li\u003e\n\u003cli\u003eEarthmoving and Construction Projects\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhy Choose This Pump?\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eQuality Guaranteed - Manufactured to meet OEM standards\u003c\/li\u003e\n\u003cli\u003eReady to Ship - In stock and available for immediate dispatch\u003c\/li\u003e\n\u003cli\u003eExpert Support - Technical assistance available\u003c\/li\u003e\n\u003cli\u003eCompetitive Pricing - Cost-effective alternative to dealer parts\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: Is this pump an original Caterpillar part?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: This is an OEM-compatible aftermarket replacement that meets or exceeds Caterpillar specifications.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: What is the warranty period?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: This pump comes with a 12-month warranty covering manufacturing defects.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: Do you offer bulk pricing?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: Yes, we offer competitive bulk pricing for dealers and fleet operators. Contact us for a quote.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: What is the lead time?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: Standard items typically ship within 3-5 business days. Contact us for expedited options.\u003c\/p\u003e\n\n\u003cp\u003eLooking for this hydraulic pump? Contact us today for pricing, availability, and lead time information.\u003c\/p\u003e\n\n\u003cp\u003e\u003ca href=\"\/pages\/contact\"\u003eRequest a Quote\u003c\/a\u003e\u003c\/p\u003e\n\n\u003ch3\u003eRelated Products\u003c\/h3\u003e\n\n\u003cp\u003eExplore our full range of \u003ca href=\"\/collections\/construction-machinery-caterpillar\"\u003eCaterpillar piston pumps\u003c\/a\u003e.\u003c\/p\u003e\n","brand":"Caterpillar","offers":[{"title":"Default Title","offer_id":46676122304668,"sku":"CAT-PP-2976993","price":0.0,"currency_code":"CNY","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0738\/7385\/0524\/files\/297-69931.jpg?v=1776173286"},{"product_id":"cat-980h-piston-pump-2352716-235-2716","title":"CAT 2352716 (235-2716) Piston Pump | Fits 980H Wheel Loader","description":"\u003ch2\u003eCAT 2352716 (235-2716) Piston Pump | Fits 980H Wheel Loader\u003c\/h2\u003e\n\u003cp\u003ePremium hydraulic piston pump designed as a direct OEM-compatible replacement for Caterpillar 980H wheel loader. Built to deliver consistent hydraulic performance and long service life in demanding mining, quarry, and construction applications.\u003c\/p\u003e\n\u003ch3\u003eProduct Highlights\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e 2352716 \/ 235-2716\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDirect Fit:\u003c\/strong\u003e No modifications required\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh Performance:\u003c\/strong\u003e Meets or exceeds original Caterpillar specifications\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurable Construction:\u003c\/strong\u003e Precision-engineered for long service life\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWide Application:\u003c\/strong\u003e Suitable for mining, quarry, and construction projects\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e 2352716 \/ 235-2716\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Type:\u003c\/strong\u003e Variable Displacement Piston Pump\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand Compatibility:\u003c\/strong\u003e Caterpillar (CAT)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Hydraulic System\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 12 Months\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eCompatible Models\u003c\/h3\u003e\n\u003cp\u003eThis piston pump fits the following Caterpillar wheel loader:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eCaterpillar 980H Wheel Loader\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eWheel Loader Lift and Tilt Functions\u003c\/li\u003e\n\u003cli\u003eWheel Loader Drive and Steering Systems\u003c\/li\u003e\n\u003cli\u003eHeavy-Duty Loading and Digging Operations\u003c\/li\u003e\n\u003cli\u003eMining, Quarry, and Construction Projects\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhy Choose This Pump?\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eQuality Guaranteed - Manufactured to meet OEM standards\u003c\/li\u003e\n\u003cli\u003eReady to Ship - In stock and available for immediate dispatch\u003c\/li\u003e\n\u003cli\u003eExpert Support - Technical assistance available\u003c\/li\u003e\n\u003cli\u003eCompetitive Pricing - Cost-effective alternative to dealer parts\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What are the symptoms of a failing hydraulic piston pump on a CAT 980H wheel loader?\u003c\/strong\u003e\u003cbr\u003eA: Common signs include slow or weak lift and tilt response, the loader bucket hesitating or stalling when raising heavy loads, hydraulic oil overheating during normal loading cycles, whining or knocking noise from the pump area, and visible hydraulic fluid leakage. The 980H is a large 26-ton class wheel loader used in high-production mining, quarry, and construction — pump failure causes significant throughput loss and should be addressed immediately.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Which CAT models does the 2352716 piston pump fit?\u003c\/strong\u003e\u003cbr\u003eA: The 2352716 (235-2716) is designed as a direct OEM-compatible replacement for the CAT 980H wheel loader. The 980H is a large wheel loader commonly used in mining, quarry, and heavy construction applications. Contact us with your 980H serial number to confirm exact compatibility.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What hydraulic functions does this pump support on the 980H?\u003c\/strong\u003e\u003cbr\u003eA: As the main hydraulic pump on the 980H, it supplies flow to the lift and tilt circuits (bucket functions), steering system, and any auxiliary circuits. A failing main pump will cause weak or slow operation across all functions simultaneously. Given the 980H's size and production demands, pump issues should be diagnosed and addressed promptly to avoid expensive downtime.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Should I flush the hydraulic system when replacing this pump on a 980H wheel loader?\u003c\/strong\u003e\u003cbr\u003eA: Always. Flushing is essential — metal particles and contaminants from the old pump can destroy the new pump within hours. Drain and replace all hydraulic oil, flush the system with clean oil, replace all filters, and refill with fresh Cat HYDO Advanced hydraulic oil. We strongly recommend professional installation by a qualified technician or CAT dealer service center.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What type of hydraulic oil is recommended for the CAT 980H?\u003c\/strong\u003e\u003cbr\u003eA: Caterpillar specifies Cat HYDO Advanced 10W or 30W depending on ambient operating temperature. For a 26-ton wheel loader working in mining or quarry applications under constant heavy load, using non-CAT approved fluids can cause immediate pump failure, accelerated wear, and void the warranty.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How do I confirm this is the correct pump for my 980H?\u003c\/strong\u003e\u003cbr\u003eA: Check the part number on your current hydraulic pump — if it reads 2352716 or 235-2716, this is the correct replacement. If the label is worn or missing, provide your 980H serial number and we will verify compatibility before you order.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Does this pump come with mounting hardware or gaskets included?\u003c\/strong\u003e\u003cbr\u003eA: The pump is supplied as a complete unit. Depending on your 980H configuration, you may need separate mounting bolts, gaskets, or O-rings. Contact us with your serial number and we will confirm exactly what is included and what additional parts you may need for installation.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What is the warranty on this hydraulic piston pump?\u003c\/strong\u003e\u003cbr\u003eA: This piston pump comes with a 12-month warranty covering manufacturing defects. The warranty does not cover damage caused by contaminated hydraulic oil, improper installation, failure to flush the hydraulic system, or using non-CAT approved hydraulic fluids.\u003c\/p\u003e\n\u003cp\u003eLooking for this hydraulic pump? Contact us today for pricing, availability, and lead time information.\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"\/pages\/contact\"\u003eRequest a Quote\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eRelated Products\u003c\/h3\u003e\n\u003cp\u003eExplore our full range of \u003ca href=\"\/collections\/construction-machinery-caterpillar\"\u003eCaterpillar piston pumps\u003c\/a\u003e.\u003c\/p\u003e","brand":"Caterpillar","offers":[{"title":"Default Title","offer_id":46676293189788,"sku":"CAT-PP-2352716","price":0.0,"currency_code":"CNY","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0738\/7385\/0524\/files\/235-27161.jpg?v=1776176132"},{"product_id":"cat-12g-160g-140g-piston-pump-1243027-124-3027","title":"CAT 1243027 (124-3027) Piston Pump | Fits 12G 140G 160G Motor Grader","description":"\u003ch2\u003eCAT 1243027 (124-3027) Piston Pump | Fits 12G 140G 160G Motor Grader\u003c\/h2\u003e\n\u003cp\u003ePremium hydraulic piston pump designed as a direct OEM-compatible replacement for Caterpillar 12G, 140G, and 160G motor graders. Built to deliver consistent hydraulic power for blade control, steering, and attachment operation in demanding road maintenance, grading, and earthmoving applications.\u003c\/p\u003e\n\u003ch3\u003eProduct Highlights\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e 1243027 \/ 124-3027\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDirect Fit:\u003c\/strong\u003e No modifications required\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh Performance:\u003c\/strong\u003e Meets or exceeds original Caterpillar specifications\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurable Construction:\u003c\/strong\u003e Precision-engineered for long service life\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWide Application:\u003c\/strong\u003e Suitable for road maintenance, grading, and earthmoving projects\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e 1243027 \/ 124-3027\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Type:\u003c\/strong\u003e Variable Displacement Piston Pump\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand Compatibility:\u003c\/strong\u003e Caterpillar (CAT)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Hydraulic System\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 12 Months\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eCompatible Models\u003c\/h3\u003e\n\u003cp\u003eThis piston pump fits the following Caterpillar motor grader models:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eCaterpillar 12G Motor Grader\u003c\/li\u003e\n\u003cli\u003eCaterpillar 140G Motor Grader\u003c\/li\u003e\n\u003cli\u003eCaterpillar 160G Motor Grader\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eMain Hydraulic Pump Replacement\u003c\/li\u003e\n\u003cli\u003eBlade Lift, Angle, and Circle Control Systems\u003c\/li\u003e\n\u003cli\u003eSteering and Ripper Circuits\u003c\/li\u003e\n\u003cli\u003eRoad Maintenance, Grading, and Earthmoving Projects\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhy Choose This Pump?\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eQuality Guaranteed - Manufactured to meet OEM standards\u003c\/li\u003e\n\u003cli\u003eReady to Ship - In stock and available for immediate dispatch\u003c\/li\u003e\n\u003cli\u003eExpert Support - Technical assistance available\u003c\/li\u003e\n\u003cli\u003eCompetitive Pricing - Cost-effective alternative to dealer parts\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What are the symptoms of a failing hydraulic piston pump on CAT 12G, 140G, or 160G motor graders?\u003c\/strong\u003e\u003cbr\u003eA: Common signs include slow or weak blade lift and tilt response, the blade hesitating or failing to hold grade position, hydraulic oil overheating during extended grading operations, whining or knocking noise from the pump area, and visible hydraulic fluid leakage. The 12G, 140G, and 160G are older-series motor graders still widely used in road maintenance — pump failure causes loss of blade control accuracy and reduced grading efficiency.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Does the 1243027 fit all three motor grader models?\u003c\/strong\u003e\u003cbr\u003eA: Yes, the 1243027 (124-3027) is designed as a direct OEM-compatible replacement for the CAT 12G, 140G, and 160G motor graders. These models share the same pump mounting and hydraulic system architecture. Contact us with your motor grader serial number to confirm exact compatibility.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What hydraulic functions does this pump support on a motor grader?\u003c\/strong\u003e\u003cbr\u003eA: As the main hydraulic pump, it supplies flow to the blade lift and tilt circuits, circle drive, articulation (steering), and ripper functions. Precision grading requires consistent hydraulic flow — a failing pump causes the blade to drift, hesitate, or lose position accuracy, directly affecting grade quality. The 12G\/140G\/160G series are widely used in road maintenance, where grade accuracy is critical for road safety and performance.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Should I flush the hydraulic system when replacing this pump on an older motor grader?\u003c\/strong\u003e\u003cbr\u003eA: Always, and with extra attention. Older motor graders like the 12G, 140G, and 160G may have accumulated more system contamination over their service life. Metal particles and contaminants from the old pump, combined with years of environmental exposure, can destroy the new pump within hours. Drain and replace all hydraulic oil, flush the system thoroughly, replace all filters, and refill with fresh Cat HYDO Advanced hydraulic oil.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What type of hydraulic oil is recommended for the 12G, 140G, and 160G motor graders?\u003c\/strong\u003e\u003cbr\u003eA: Caterpillar specifies Cat HYDO Advanced 10W or 30W depending on ambient operating temperature. Older motor graders in road construction and maintenance applications should use Cat-approved fluids to ensure long pump life and maintain grading accuracy. Using non-approved fluids can cause accelerated wear and void the warranty.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How do I confirm this is the correct pump for my motor grader?\u003c\/strong\u003e\u003cbr\u003eA: Check the part number on your current hydraulic pump — if it reads 1243027 or 124-3027, this is the correct replacement. If the label is worn or missing (common on older machines), provide your motor grader serial number and we will verify compatibility before you order.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Does this pump come with mounting hardware or gaskets included?\u003c\/strong\u003e\u003cbr\u003eA: The pump is supplied as a complete unit. Depending on your motor grader configuration, you may need separate mounting bolts, gaskets, or O-rings. Contact us with your serial number and we will confirm exactly what is included and what additional parts you may need for installation.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What is the warranty on this hydraulic piston pump?\u003c\/strong\u003e\u003cbr\u003eA: This piston pump comes with a 12-month warranty covering manufacturing defects. The warranty does not cover damage caused by contaminated hydraulic oil, improper installation, failure to flush the hydraulic system, or using non-CAT approved hydraulic fluids.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eLooking for this hydraulic pump?\u003c\/strong\u003e Contact us today for pricing, availability, and lead time information.\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"\/pages\/contact\"\u003eRequest a Quote\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eRelated Products\u003c\/h3\u003e\n\u003cp\u003eExplore our full range of \u003ca href=\"\/collections\/construction-machinery-caterpillar\"\u003eCaterpillar piston pumps\u003c\/a\u003e.\u003c\/p\u003e","brand":"Caterpillar","offers":[{"title":"Default Title","offer_id":46680790827164,"sku":"CAT-PP-1243027","price":0.0,"currency_code":"CNY","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0738\/7385\/0524\/files\/124-30271.jpg?v=1776258872"},{"product_id":"cat-416b-426b-428b-436b-438b-piston-pump-1003259-100-3259","title":"CAT 1003259 (100-3259) Piston Pump | Fits 416B 426B 428B 436B 438B Backhoe Loader","description":"\u003ch2\u003eCAT 416B 426B 428B 436B 438B Piston Pump 1003259\u003c\/h2\u003e\n\u003cp\u003ePremium hydraulic piston pump designed as a direct OEM-compatible replacement for Caterpillar 416B, 426B, 428B, 436B, and 438B backhoe loaders. Built to deliver consistent hydraulic performance and long service life in demanding construction and utility applications.\u003c\/p\u003e\n\u003ch3\u003eProduct Highlights\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e 1003259 \/ 100-3259\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDirect Fit:\u003c\/strong\u003e No modifications required\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh Performance:\u003c\/strong\u003e Meets or exceeds original Caterpillar specifications\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurable Construction:\u003c\/strong\u003e Precision-engineered for long service life\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWide Application:\u003c\/strong\u003e Suitable for construction, utility, and infrastructure projects\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e 1003259 \/ 100-3259\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Type:\u003c\/strong\u003e Variable Displacement Piston Pump\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand Compatibility:\u003c\/strong\u003e Caterpillar (CAT)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Hydraulic System\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 12 Months\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eCompatible Models\u003c\/h3\u003e\n\u003cp\u003eThis piston pump fits the following Caterpillar backhoe loader models:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eCaterpillar 416B Backhoe Loader\u003c\/li\u003e\n\u003cli\u003eCaterpillar 426B Backhoe Loader\u003c\/li\u003e\n\u003cli\u003eCaterpillar 428B Backhoe Loader\u003c\/li\u003e\n\u003cli\u003eCaterpillar 436B Backhoe Loader\u003c\/li\u003e\n\u003cli\u003eCaterpillar 438B Backhoe Loader\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eMain Hydraulic Pump Replacement\u003c\/li\u003e\n\u003cli\u003eBoom and Arm Circuits\u003c\/li\u003e\n\u003cli\u003eBucket and Steering Systems\u003c\/li\u003e\n\u003cli\u003eConstruction and Utility Projects\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhy Choose This Pump?\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eQuality Guaranteed - Manufactured to meet OEM standards\u003c\/li\u003e\n\u003cli\u003eReady to Ship - In stock and available for immediate dispatch\u003c\/li\u003e\n\u003cli\u003eExpert Support - Technical assistance available\u003c\/li\u003e\n\u003cli\u003eCompetitive Pricing - Cost-effective alternative to dealer parts\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What are the symptoms of a failing hydraulic piston pump on CAT 416B, 426B, 428B, 436B, or 438B backhoe loaders?\u003c\/strong\u003e\u003cbr\u003eA: Common signs include slow or weak loader lift and tilt response, the backhoe dig function losing power or stalling under load, hydraulic oil overheating during normal operation, whining or knocking noise from the pump area, and visible hydraulic fluid leakage. The 416B, 426B, 428B, 436B, and 438B are older-generation backhoe loaders still widely used in construction — pump failure affects both the front loader bucket and rear backhoe digging performance simultaneously.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Does the 1003259 fit all five backhoe loader models?\u003c\/strong\u003e\u003cbr\u003eA: Yes, the 1003259 (100-3259) is designed as a direct OEM-compatible replacement for the CAT 416B, 426B, 428B, 436B, and 438B backhoe loaders. These models share the same pump mounting and hydraulic system architecture. Contact us with your backhoe serial number to confirm exact compatibility.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What hydraulic functions does this pump support on a backhoe loader?\u003c\/strong\u003e\u003cbr\u003eA: As the main hydraulic pump, it supplies flow to both front loader circuits (lift, tilt) and rear backhoe circuits (boom, stick, bucket, swing). It also supports auxiliary functions such as stabilizer legs and steering. A failing pump causes weak operation across all these functions — if only the loader or only the backhoe is affected, check for a control valve issue first. Older backhoe loaders may also have worn hydraulic hoses and fittings that should be inspected during pump replacement.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Should I flush the hydraulic system when replacing this pump on an older backhoe loader?\u003c\/strong\u003e\u003cbr\u003eA: Always, and with extra diligence. Older backhoe loaders like the 416B, 426B, 428B, 436B, and 438B may have accumulated more system contamination over their service life. Metal particles and contaminants from the old pump, combined with years of environmental exposure, can destroy the new pump within hours. Drain and replace all hydraulic oil, flush the system with clean oil, replace all filters, and refill with fresh Cat HYDO Advanced hydraulic oil.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What type of hydraulic oil is recommended for these backhoe loaders?\u003c\/strong\u003e\u003cbr\u003eA: Caterpillar specifies Cat HYDO Advanced 10W or 30W depending on operating temperature. Older backhoe loaders working in construction and utility applications should use Cat-approved fluids to ensure long pump life and maintain reliability. Using non-approved fluids can cause accelerated wear and void the warranty.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How do I confirm this is the correct pump for my backhoe loader?\u003c\/strong\u003e\u003cbr\u003eA: Check the part number on your current pump — if it reads 1003259 or 100-3259, this is the correct replacement. If the label is worn or missing (common on older machines), provide your backhoe serial number and we will verify compatibility before you order.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Does this pump come with mounting hardware or gaskets included?\u003c\/strong\u003e\u003cbr\u003eA: The pump is supplied as a complete unit. Depending on your backhoe configuration, you may need separate mounting bolts, gaskets, or O-rings. Contact us with your serial number and we will confirm exactly what is included and what additional parts you may need for installation.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What is the warranty on this hydraulic piston pump?\u003c\/strong\u003e\u003cbr\u003eA: This piston pump comes with a 12-month warranty covering manufacturing defects. The warranty does not cover damage caused by contaminated hydraulic oil, improper installation, failure to flush the hydraulic system, or using non-CAT approved hydraulic fluids.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eLooking for this hydraulic pump?\u003c\/strong\u003e Contact us today for pricing, availability, and lead time information.\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"\/pages\/contact\"\u003eRequest a Quote\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eRelated Products\u003c\/h3\u003e\n\u003cp\u003eExplore our full range of \u003ca href=\"\/collections\/construction-machinery-caterpillar\"\u003eCaterpillar piston pumps\u003c\/a\u003e.\u003c\/p\u003e","brand":"Caterpillar","offers":[{"title":"Default Title","offer_id":46680810586268,"sku":"CAT-PP-1003259","price":0.0,"currency_code":"CNY","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0738\/7385\/0524\/files\/100-32591.jpg?v=1776259799"},{"product_id":"cat-d6t-d6t-xl-d6t-xw-d6t-lgp-d6t-lgppat-piston-pump-part-no-4448539-444-8539","title":"CAT D6T,D6T XL,D6T XW,D6T LGP,D6T LGPPAT Piston Pump | Part No. 4448539 (444-8539)","description":"\u003ch2\u003eCAT 4448539 (444-8539) Piston Pump | Fits D6T D6T XL D6T XW D6T LGP Bulldozer\u003c\/h2\u003e\n\u003cp\u003ePremium hydraulic piston pump designed as a direct OEM-compatible replacement for Caterpillar D6T, D6T XL, D6T XW, D6T LGP, and D6T LGPPAT track-type tractors. Built to deliver consistent hydraulic power and long service life in demanding earthmoving, mining, and land clearing applications.\u003c\/p\u003e\n\u003ch3\u003eProduct Highlights\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e 4448539 \/ 444-8539\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDirect Fit:\u003c\/strong\u003e No modifications required\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh Performance:\u003c\/strong\u003e Meets or exceeds original Caterpillar specifications\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurable Construction:\u003c\/strong\u003e Precision-engineered for long service life\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWide Application:\u003c\/strong\u003e Suitable for earthmoving, mining, and land clearing projects\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e 4448539 \/ 444-8539\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Type:\u003c\/strong\u003e Variable Displacement Piston Pump\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand Compatibility:\u003c\/strong\u003e Caterpillar (CAT)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Hydraulic System\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 12 Months\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eCompatible Models\u003c\/h3\u003e\n\u003cp\u003eThis piston pump fits the following Caterpillar bulldozer models:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eCaterpillar D6T Track-Type Tractor\u003c\/li\u003e\n\u003cli\u003eCaterpillar D6T XL Track-Type Tractor\u003c\/li\u003e\n\u003cli\u003eCaterpillar D6T XW Track-Type Tractor\u003c\/li\u003e\n\u003cli\u003eCaterpillar D6T LGP Track-Type Tractor\u003c\/li\u003e\n\u003cli\u003eCaterpillar D6T LGPPAT Track-Type Tractor\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eMain Hydraulic Pump Replacement\u003c\/li\u003e\n\u003cli\u003eBlade and Ripper Circuits\u003c\/li\u003e\n\u003cli\u003eSteering and Travel Systems\u003c\/li\u003e\n\u003cli\u003eEarthmoving, Mining, and Land Clearing Projects\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhy Choose This Pump?\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eQuality Guaranteed - Manufactured to meet OEM standards\u003c\/li\u003e\n\u003cli\u003eReady to Ship - In stock and available for immediate dispatch\u003c\/li\u003e\n\u003cli\u003eExpert Support - Technical assistance available\u003c\/li\u003e\n\u003cli\u003eCompetitive Pricing - Cost-effective alternative to dealer parts\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What are the symptoms of a failing hydraulic piston pump on CAT D6T, D6T XL, D6T XW, D6T LGP, or D6T LGPPAT bulldozers?\u003c\/strong\u003e\u003cbr\u003eA: Common signs include slow or weak blade lift and tilt response, the blade hesitating or failing to hold position under load, hydraulic oil overheating during extended dozing operations, whining or knocking noise from the pump area, and visible hydraulic fluid leakage. The D6T series are medium track-type tractors used in earthmoving, mining, and land clearing — pump failure causes loss of blade control and reduced dozing efficiency.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Does the 4448539 fit all five D6T bulldozer variants?\u003c\/strong\u003e\u003cbr\u003eA: Yes, the 4448539 (444-8539) is designed as a direct OEM-compatible replacement for the CAT D6T, D6T XL, D6T XW, D6T LGP, and D6T LGPPAT track-type tractors. These models share the same pump mounting and hydraulic system architecture. Contact us with your bulldozer serial number to confirm exact compatibility.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What hydraulic functions does this pump support on a D6T bulldozer?\u003c\/strong\u003e\u003cbr\u003eA: As the main hydraulic pump, it supplies flow to the blade lift and tilt circuits, ripper functions, steering and travel systems, and any auxiliary hydraulic circuits. Precise blade control is critical for grading and earthmoving work — a failing pump causes the blade to drift, hesitate, or lose position accuracy, directly affecting work quality and productivity.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Should I flush the hydraulic system when replacing this pump on a D6T bulldozer?\u003c\/strong\u003e\u003cbr\u003eA: Always. Bulldozers operate in extremely high-contamination environments (earthmoving, land clearing, mining). Metal particles and environmental contaminants from the old pump can destroy the new pump within hours. Drain and replace all hydraulic oil, flush the system thoroughly with clean oil, replace all filters, and refill with fresh Cat HYDO Advanced hydraulic oil.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What type of hydraulic oil is recommended for the D6T series bulldozers?\u003c\/strong\u003e\u003cbr\u003eA: Caterpillar specifies Cat HYDO Advanced 10W or 30W depending on ambient operating temperature. D6T bulldozers in earthmoving and mining applications operate under sustained heavy load — using non-CAT approved hydraulic fluids can cause accelerated pump wear, loss of blade control accuracy, and void the warranty.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How do I confirm this is the correct pump for my D6T bulldozer?\u003c\/strong\u003e\u003cbr\u003eA: Check the part number on your current hydraulic pump — if it reads 4448539 or 444-8539, this is the correct replacement. If the label is worn or missing (common in earthmoving environments), provide your D6T serial number and we will verify compatibility before you order.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Does this pump come with mounting hardware or gaskets included?\u003c\/strong\u003e\u003cbr\u003eA: The pump is supplied as a complete unit. Depending on your bulldozer configuration, you may need separate mounting bolts, gaskets, or O-rings. Contact us with your serial number and we will confirm exactly what is included and what additional parts you may need for installation.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What is the warranty on this hydraulic piston pump?\u003c\/strong\u003e\u003cbr\u003eA: This piston pump comes with a 12-month warranty covering manufacturing defects. The warranty does not cover damage caused by contaminated hydraulic oil, improper installation, failure to flush the hydraulic system, or using non-CAT approved hydraulic fluids.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eLooking for this hydraulic pump?\u003c\/strong\u003e Contact us today for pricing, availability, and lead time information.\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"\/pages\/contact\"\u003eRequest a Quote\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eRelated Products\u003c\/h3\u003e\n\u003cp\u003eExplore our full range of \u003ca href=\"\/collections\/construction-machinery-caterpillar\"\u003eCaterpillar piston pumps\u003c\/a\u003e.\u003c\/p\u003e","brand":"HEPUMP","offers":[{"title":"Default Title","offer_id":46706525765788,"sku":null,"price":0.0,"currency_code":"CNY","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0738\/7385\/0524\/files\/444-85391.jpg?v=1776780864"},{"product_id":"cat-320b-excavator-main-pump-1232233-123-2233","title":"CAT 1232233 (123-2233) Main Pump | Fits 320B Excavator","description":"\u003ch2\u003eCAT 1232233 (123-2233) Main Pump | Fits 320B Excavator\u003c\/h2\u003e\n\u003cp\u003ePremium hydraulic main pump designed as a direct OEM-compatible replacement for Caterpillar 320B excavator. Built to deliver consistent hydraulic performance and long service life in demanding construction, quarry, and heavy excavation applications.\u003c\/p\u003e\n\u003ch3\u003eProduct Highlights\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e 1232233 \/ 123-2233\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDirect Fit:\u003c\/strong\u003e No modifications required\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh Performance:\u003c\/strong\u003e Meets or exceeds original Caterpillar specifications\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurable Construction:\u003c\/strong\u003e Precision-engineered for long service life\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWide Application:\u003c\/strong\u003e Suitable for construction, quarry, and heavy excavation projects\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e 1232233 \/ 123-2233\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Type:\u003c\/strong\u003e Hydraulic Main Pump\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand Compatibility:\u003c\/strong\u003e Caterpillar (CAT)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Hydraulic System\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 12 Months\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eCompatible Models\u003c\/h3\u003e\n\u003cp\u003eThis main pump fits the following Caterpillar excavator:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eCaterpillar 320B Excavator\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eExcavator Boom and Arm Hydraulic Circuits\u003c\/li\u003e\n\u003cli\u003eExcavator Bucket and Slewing Functions\u003c\/li\u003e\n\u003cli\u003eHeavy-Duty Digging and Trenching Operations\u003c\/li\u003e\n\u003cli\u003eConstruction, Quarry, and Heavy Excavation Projects\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhy Choose This Pump?\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eQuality Guaranteed - Manufactured to meet OEM standards\u003c\/li\u003e\n\u003cli\u003eReady to Ship - In stock and available for immediate dispatch\u003c\/li\u003e\n\u003cli\u003eExpert Support - Technical assistance available\u003c\/li\u003e\n\u003cli\u003eCompetitive Pricing - Cost-effective alternative to dealer parts\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What are the symptoms of a failing hydraulic main pump on a CAT 320B excavator?\u003c\/strong\u003e\u003cbr\u003eA: Common signs include slow or weak boom\/arm\/bucket movement, the excavator struggling to dig under load, hydraulic oil overheating, whining or knocking noise from the pump area, and visible external hydraulic oil leakage. If your 320B is operating at reduced power, the main pump is likely worn and should be replaced.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What pressure and flow does the CAT 1232233 main pump deliver?\u003c\/strong\u003e\u003cbr\u003eA: The 1232233 is an axial piston variable displacement main pump designed for the CAT 320B excavator's hydraulic system. It delivers the pressure and flow rates specified by Caterpillar for the 320B. For exact specifications, contact our technical team with your excavator's serial number.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Does this 1232233 pump include the mounting flange and coupling?\u003c\/strong\u003e\u003cbr\u003eA: The pump is supplied as a complete unit. Depending on your 320B's configuration, additional mounting hardware or couplings may be required. Contact us with your excavator serial number and we will confirm exactly what is included and what additional parts you may need.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Can I install this main pump myself, or do I need a technician?\u003c\/strong\u003e\u003cbr\u003eA: Installation requires hydraulic system knowledge, proper tools, and flushing the hydraulic system to remove contaminants. We recommend professional installation by a qualified technician or CAT dealer service center to ensure correct installation and avoid hydraulic system damage.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How do I confirm this is the correct pump for my CAT 320B?\u003c\/strong\u003e\u003cbr\u003eA: Check the part number on your current pump — if it reads 1232233 or 123-2233, this is the correct replacement. If your pump is unreadable or you are unsure, contact us with your excavator's serial number and we will verify compatibility before you order.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What hydraulic oil is recommended when replacing the main pump?\u003c\/strong\u003e\u003cbr\u003eA: Caterpillar recommends using Cat HYDO Advanced 10 or 30 weight hydraulic oil for the 320B, depending on operating temperature. When replacing the main pump, we strongly recommend flushing the entire hydraulic system to remove metal particles and contaminants that caused the original pump failure, then refilling with fresh hydraulic oil.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Is this pump compatible with a CAT 320B that has auxiliary hydraulic circuits?\u003c\/strong\u003e\u003cbr\u003eA: Yes, the 1232233 main pump is compatible with CAT 320B excavators equipped with auxiliary hydraulic circuits for attachments such as breakers, thumbs, or grapples. The pump supplies flow to all hydraulic functions. Contact us with your specific serial number if you have modified auxiliary circuits.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What is the warranty on this main pump?\u003c\/strong\u003e\u003cbr\u003eA: This pump comes with a 12-month warranty covering manufacturing defects. The warranty does not cover damage caused by contaminated hydraulic oil, improper installation, or failure to flush the hydraulic system during installation.\u003c\/p\u003e\n\u003cp\u003eLooking for this hydraulic pump? Contact us today for pricing, availability, and lead time information.\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"\/pages\/contact\"\u003eRequest a Quote\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eRelated Products\u003c\/h3\u003e\n\u003cp\u003eExplore our full range of \u003ca href=\"\/collections\/construction-machinery-caterpillar\"\u003eCaterpillar piston pumps\u003c\/a\u003e.\u003c\/p\u003e","brand":"HEPUMP","offers":[{"title":"Default Title","offer_id":46754173943964,"sku":null,"price":0.0,"currency_code":"CNY","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0738\/7385\/0524\/files\/123-22331.jpg?v=1777210748"},{"product_id":"cat-14h-16h-motor-grader-piston-pump-1847448-184-7448","title":"CAT 1847448 (184-7448) Piston Pump | Fits 14H, 16H Motor Grader","description":"\u003ch2\u003eCAT 1847448 (184-7448) Piston Pump | Fits 14H 16H Motor Grader\u003c\/h2\u003e\n\n\u003cp\u003ePremium hydraulic piston pump designed as a direct OEM-compatible replacement for Caterpillar 14H and 16H motor graders. Built to deliver consistent hydraulic performance and long service life in demanding road construction, grading, and land leveling applications.\u003c\/p\u003e\n\n\u003ch3\u003eProduct Highlights\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e 1847448 \/ 184-7448\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDirect Fit:\u003c\/strong\u003e No modifications required\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh Performance:\u003c\/strong\u003e Meets or exceeds original Caterpillar specifications\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurable Construction:\u003c\/strong\u003e Precision-engineered for long service life\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWide Application:\u003c\/strong\u003e Suitable for road construction, grading, and land leveling projects\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e 1847448 \/ 184-7448\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Type:\u003c\/strong\u003e Variable Displacement Piston Pump\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand Compatibility:\u003c\/strong\u003e Caterpillar (CAT)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Hydraulic System\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 12 Months\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eCompatible Models\u003c\/h3\u003e\n\u003cp\u003eThis piston pump fits the following Caterpillar motor graders:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eCaterpillar 14H Motor Grader\u003c\/li\u003e\n\u003cli\u003eCaterpillar 16H Motor Grader\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eBlade Lift and Circle Drive Functions\u003c\/li\u003e\n\u003cli\u003eSteering and Articulation Systems\u003c\/li\u003e\n\u003cli\u003eGrading and Road Maintenance Operations\u003c\/li\u003e\n\u003cli\u003eRoad Building and Land Leveling Projects\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhy Choose This Pump?\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eQuality Guaranteed - Manufactured to meet OEM standards\u003c\/li\u003e\n\u003cli\u003eReady to Ship - In stock and available for immediate dispatch\u003c\/li\u003e\n\u003cli\u003eExpert Support - Technical assistance available\u003c\/li\u003e\n\u003cli\u003eCompetitive Pricing - Cost-effective alternative to dealer parts\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: Is this pump an original Caterpillar part?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: This is an OEM-compatible aftermarket replacement that meets or exceeds Caterpillar specifications.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: What is the warranty period?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: This pump comes with a 12-month warranty covering manufacturing defects.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: Do you offer bulk pricing?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: Yes, we offer competitive bulk pricing for dealers and fleet operators. Contact us for a quote.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: What is the lead time?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: Standard items typically ship within 3-5 business days. Contact us for expedited options.\u003c\/p\u003e\n\n\u003cp\u003eLooking for this hydraulic pump? Contact us today for pricing, availability, and lead time information.\u003c\/p\u003e\n\n\u003cp\u003e\u003ca href=\"\/pages\/contact\"\u003eRequest a Quote\u003c\/a\u003e\u003c\/p\u003e\n\n\u003ch3\u003eRelated Products\u003c\/h3\u003e\n\n\u003cp\u003eExplore our full range of \u003ca href=\"\/collections\/construction-machinery-caterpillar\"\u003eCaterpillar piston pumps\u003c\/a\u003e.\u003c\/p\u003e\n","brand":"HEPUMP","offers":[{"title":"Default Title","offer_id":46754314059932,"sku":null,"price":0.0,"currency_code":"CNY","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0738\/7385\/0524\/files\/184-74481.jpg?v=1777213169"},{"product_id":"cat-305-5e-305-5e2-mini-excavator-main-pump-4230097-423-0097","title":"CAT 4230097 (423-0097) Main Pump | Fits 305.5E 305.5E2 Mini Excavator","description":"\u003ch2\u003eCAT 4230097 (423-0097) Main Pump | Fits 305.5E 305.5E2 Mini Excavator\u003c\/h2\u003e\n\n\u003cp\u003ePremium hydraulic main pump designed as a direct OEM-compatible replacement for Caterpillar 305.5E and 305.5E2 mini excavators. Built to deliver consistent hydraulic performance and long service life in demanding construction, utility, and landscaping applications.\u003c\/p\u003e\n\n\u003ch3\u003eProduct Highlights\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e 4230097 \/ 423-0097\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDirect Fit:\u003c\/strong\u003e No modifications required\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh Performance:\u003c\/strong\u003e Meets or exceeds original Caterpillar specifications\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurable Construction:\u003c\/strong\u003e Precision-engineered for long service life\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWide Application:\u003c\/strong\u003e Suitable for construction, utility, and landscaping projects\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e 4230097 \/ 423-0097\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Type:\u003c\/strong\u003e Hydraulic Main Pump\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand Compatibility:\u003c\/strong\u003e Caterpillar (CAT)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Hydraulic System\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 12 Months\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eCompatible Models\u003c\/h3\u003e\n\u003cp\u003eThis main pump fits the following Caterpillar mini excavators:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eCaterpillar 305.5E Mini Excavator\u003c\/li\u003e\n\u003cli\u003eCaterpillar 305.5E2 Mini Excavator\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eMini Excavator Boom and Arm Hydraulic Circuits\u003c\/li\u003e\n\u003cli\u003eMini Excavator Bucket and Slewing Functions\u003c\/li\u003e\n\u003cli\u003eHeavy-Duty Digging and Trenching Operations\u003c\/li\u003e\n\u003cli\u003eConstruction, Utility, and Landscaping Projects\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhy Choose This Pump?\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eQuality Guaranteed - Manufactured to meet OEM standards\u003c\/li\u003e\n\u003cli\u003eReady to Ship - In stock and available for immediate dispatch\u003c\/li\u003e\n\u003cli\u003eExpert Support - Technical assistance available\u003c\/li\u003e\n\u003cli\u003eCompetitive Pricing - Cost-effective alternative to dealer parts\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: Is this pump an original Caterpillar part?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: This is an OEM-compatible aftermarket replacement that meets or exceeds Caterpillar specifications.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: What is the warranty period?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: This pump comes with a 12-month warranty covering manufacturing defects.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: Do you offer bulk pricing?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: Yes, we offer competitive bulk pricing for dealers and fleet operators. Contact us for a quote.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: What is the lead time?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: Standard items typically ship within 3-5 business days. Contact us for expedited options.\u003c\/p\u003e\n\n\u003cp\u003eLooking for this hydraulic pump? Contact us today for pricing, availability, and lead time information.\u003c\/p\u003e\n\n\u003cp\u003e\u003ca href=\"\/pages\/contact\"\u003eRequest a Quote\u003c\/a\u003e\u003c\/p\u003e\n\n\u003ch3\u003eRelated Products\u003c\/h3\u003e\n\n\u003cp\u003eExplore our full range of \u003ca href=\"\/collections\/construction-machinery-caterpillar\"\u003eCaterpillar piston pumps\u003c\/a\u003e.\u003c\/p\u003e\n","brand":"HEPUMP","offers":[{"title":"Default Title","offer_id":46754318123164,"sku":null,"price":0.0,"currency_code":"CNY","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0738\/7385\/0524\/files\/423-00971.jpg?v=1777213815"},{"product_id":"cat-834g-834h-836g-836h-988g-988h-24m-fan-motor-2135268-213-5268","title":"CAT 2135268 (213-5268) Fan Motor | Fits 834G, 834H,836G, 836H,988G, 988H Wheel Loader","description":"\u003ch2\u003eCAT 2135268 (213-5268) Fan Motor | Fits 834G 834H 836G 836H 988G 988H 24M\u003c\/h2\u003e\n\u003cp\u003ePremium engine fan motor designed as a direct OEM-compatible replacement for Caterpillar 834G, 834H, 836G, 836H, 988G, 988H wheel loaders and 24M motor grader. Built to deliver reliable engine cooling performance and long service life in demanding mining, quarry, road construction, and heavy earthmoving applications.\u003c\/p\u003e\n\u003ch3\u003eProduct Highlights\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e 2135268 \/ 213-5268\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDirect Fit:\u003c\/strong\u003e No modifications required\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh Performance:\u003c\/strong\u003e Meets or exceeds original Caterpillar specifications\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurable Construction:\u003c\/strong\u003e Precision-engineered for long service life\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWide Application:\u003c\/strong\u003e Suitable for mining, quarry, road construction, and earthmoving projects\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e 2135268 \/ 213-5268\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Type:\u003c\/strong\u003e Engine Fan Motor\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand Compatibility:\u003c\/strong\u003e Caterpillar (CAT)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Engine Cooling System\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 12 Months\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eCompatible Models\u003c\/h3\u003e\n\u003cp\u003eThis fan motor fits the following Caterpillar equipment:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eCaterpillar 834G Wheel Loader\u003c\/li\u003e\n\u003cli\u003eCaterpillar 834H Wheel Loader\u003c\/li\u003e\n\u003cli\u003eCaterpillar 836G Wheel Loader\u003c\/li\u003e\n\u003cli\u003eCaterpillar 836H Wheel Loader\u003c\/li\u003e\n\u003cli\u003eCaterpillar 988G Wheel Loader\u003c\/li\u003e\n\u003cli\u003eCaterpillar 988H Wheel Loader\u003c\/li\u003e\n\u003cli\u003eCaterpillar 24M Motor Grader\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eEngine Cooling Fan Drive\u003c\/li\u003e\n\u003cli\u003eRadiator Cooling System\u003c\/li\u003e\n\u003cli\u003eHydraulic Oil Cooling\u003c\/li\u003e\n\u003cli\u003eMining, Quarry, Road Construction and Earthmoving Projects\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhy Choose This Motor?\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eQuality Guaranteed - Manufactured to meet OEM standards\u003c\/li\u003e\n\u003cli\u003eReady to Ship - In stock and available for immediate dispatch\u003c\/li\u003e\n\u003cli\u003eExpert Support - Technical assistance available\u003c\/li\u003e\n\u003cli\u003eCompetitive Pricing - Cost-effective alternative to dealer parts\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What are the symptoms of a failing engine fan motor on CAT 834G, 834H, 836G, 836H, 988G, 988H wheel loaders, or 24M motor grader?\u003c\/strong\u003e\u003cbr\u003eA: Common signs include engine overheating during normal operation, the cooling fan not spinning or spinning slowly, hydraulic-driven fan failing to respond to temperature changes, unusual noise (grinding or whining) from the fan motor area, and visible hydraulic oil leakage around the fan motor. The CAT 834G-836H and 988G-988H are large wheel loaders used in mining, quarry, road construction, and heavy earthmoving — overheating in these machines can lead to catastrophic engine failure, turbo damage, and extremely expensive downtime.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Does the 2135268 fit all six wheel loader models and the 24M motor grader?\u003c\/strong\u003e\u003cbr\u003eA: Yes, the 2135268 (213-5268) is designed as a direct OEM-compatible replacement for the CAT 834G, 834H, 836G, 836H, 988G, 988H wheel loaders, and the 24M motor grader. These models share the same fan motor mounting and hydraulic drive architecture. Contact us with your equipment serial number to confirm exact compatibility.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What does the fan motor do on these CAT machines?\u003c\/strong\u003e\u003cbr\u003eA: The fan motor is a hydraulic-driven motor that spins the engine cooling fan. It is controlled by the engine cooling system — as coolant temperature rises, hydraulic flow to the fan motor increases, speeding up the fan to dissipate heat. On large wheel loaders and motor graders working in extreme conditions (mining, quarry, road construction), a failing fan motor causes rapid engine overheating, risking warped cylinder heads, turbo failure, and engine shutdown.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Should I check the hydraulic system when replacing this fan motor?\u003c\/strong\u003e\u003cbr\u003eA: Yes. Before installing the new fan motor, inspect the hydraulic lines, fittings, and cooling system for contamination, blockages, or damaged O-rings. Flushing the hydraulic circuit and replacing the hydraulic filter is strongly recommended to prevent contaminant-driven failure of the new motor. These machines operate in mining, quarry, and road construction environments with extreme contamination — skipping the flush will likely destroy the new motor within hours.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What type of hydraulic oil is recommended for the fan motor circuit on these CAT machines?\u003c\/strong\u003e\u003cbr\u003eA: Caterpillar specifies Cat HYDO Advanced 10W or 30W hydraulic oil for the fan motor hydraulic circuit. Using non-CAT approved hydraulic fluids can cause accelerated wear, seal failure, and void the warranty. In demanding mining, quarry, and road construction applications, more frequent hydraulic oil and filter changes are strongly recommended.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How do I confirm this is the correct fan motor for my CAT equipment?\u003c\/strong\u003e\u003cbr\u003eA: Check the part number on your current fan motor — if it reads 2135268 or 213-5268, this is the correct replacement. If the label is worn or missing, provide your equipment serial number and we will verify compatibility before you order.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Does this fan motor come with mounting hardware or gaskets included?\u003c\/strong\u003e\u003cbr\u003eA: The fan motor is supplied as a complete unit. Depending on your equipment configuration, you may need separate mounting bolts, hydraulic fittings, gaskets, or O-rings. Contact us with your serial number and we will confirm exactly what is included and what additional parts you may need for installation.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What is the warranty on this engine fan motor?\u003c\/strong\u003e\u003cbr\u003eA: This fan motor comes with a 12-month warranty covering manufacturing defects. The warranty does not cover damage caused by contaminated hydraulic oil, improper installation, failure to flush the hydraulic system, or using non-CAT approved hydraulic fluids.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What are the symptoms of a failing engine fan motor on CAT 834G, 834H, 836G, 836H, 988G, 988H wheel loaders, or 24M motor grader?\u003c\/strong\u003e\u003cbr\u003eA: Common signs include engine overheating during normal operation, the cooling fan not spinning or spinning slowly, hydraulic-driven fan failing to respond to temperature changes, unusual noise (grinding or whining) from the fan motor area, and visible hydraulic oil leakage around the fan motor. The CAT 834G-836H and 988G-988H are large wheel loaders used in mining, quarry, road construction, and heavy earthmoving — overheating in these machines can lead to catastrophic engine failure, turbo damage, and extremely expensive downtime.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Does the 2135268 fit all six wheel loader models and the 24M motor grader?\u003c\/strong\u003e\u003cbr\u003eA: Yes, the 2135268 (213-5268) is designed as a direct OEM-compatible replacement for the CAT 834G, 834H, 836G, 836H, 988G, 988H wheel loaders, and the 24M motor grader. These models share the same fan motor mounting and hydraulic drive architecture. Contact us with your equipment serial number to confirm exact compatibility.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What does the fan motor do on these CAT machines?\u003c\/strong\u003e\u003cbr\u003eA: The fan motor is a hydraulic-driven motor that spins the engine cooling fan. It is controlled by the engine cooling system — as coolant temperature rises, hydraulic flow to the fan motor increases, speeding up the fan to dissipate heat. On large wheel loaders and motor graders working in extreme conditions (mining, quarry, road construction), a failing fan motor causes rapid engine overheating, risking warped cylinder heads, turbo failure, and engine shutdown.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Should I check the hydraulic system when replacing this fan motor?\u003c\/strong\u003e\u003cbr\u003eA: Yes. Before installing the new fan motor, inspect the hydraulic lines, fittings, and cooling system for contamination, blockages, or damaged O-rings. Flushing the hydraulic circuit and replacing the hydraulic filter is strongly recommended to prevent contaminant-driven failure of the new motor. These machines operate in mining, quarry, and road construction environments with extreme contamination — skipping the flush will likely destroy the new motor within hours.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What type of hydraulic oil is recommended for the fan motor circuit on these CAT machines?\u003c\/strong\u003e\u003cbr\u003eA: Caterpillar specifies Cat HYDO Advanced 10W or 30W hydraulic oil for the fan motor hydraulic circuit. Using non-CAT approved hydraulic fluids can cause accelerated wear, seal failure, and void the warranty. In demanding mining, quarry, and road construction applications, more frequent hydraulic oil and filter changes are strongly recommended.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How do I confirm this is the correct fan motor for my CAT equipment?\u003c\/strong\u003e\u003cbr\u003eA: Check the part number on your current fan motor — if it reads 2135268 or 213-5268, this is the correct replacement. If the label is worn or missing, provide your equipment serial number and we will verify compatibility before you order.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Does this fan motor come with mounting hardware or gaskets included?\u003c\/strong\u003e\u003cbr\u003eA: The fan motor is supplied as a complete unit. Depending on your equipment configuration, you may need separate mounting bolts, hydraulic fittings, gaskets, or O-rings. Contact us with your serial number and we will confirm exactly what is included and what additional parts you may need for installation.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What is the warranty on this engine fan motor?\u003c\/strong\u003e\u003cbr\u003eA: This fan motor comes with a 12-month warranty covering manufacturing defects. The warranty does not cover damage caused by contaminated hydraulic oil, improper installation, failure to flush the hydraulic system, or using non-CAT approved hydraulic fluids.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What are the symptoms of a failing engine fan motor on CAT 834G, 834H, 836G, 836H, 988G, 988H wheel loaders, or 24M motor grader?\u003c\/strong\u003e\u003cbr\u003eA: Common signs include engine overheating during normal operation, the cooling fan not spinning or spinning slowly, hydraulic-driven fan failing to respond to temperature changes, unusual noise (grinding or whining) from the fan motor area, and visible hydraulic oil leakage around the fan motor. The CAT 834G-836H and 988G-988H are large wheel loaders used in mining, quarry, road construction, and heavy earthmoving — overheating in these machines can lead to catastrophic engine failure, turbo damage, and extremely expensive downtime.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Does the 2135268 fit all six wheel loader models and the 24M motor grader?\u003c\/strong\u003e\u003cbr\u003eA: Yes, the 2135268 (213-5268) is designed as a direct OEM-compatible replacement for the CAT 834G, 834H, 836G, 836H, 988G, 988H wheel loaders, and the 24M motor grader. These models share the same fan motor mounting and hydraulic drive architecture. Contact us with your equipment serial number to confirm exact compatibility.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What does the fan motor do on these CAT machines?\u003c\/strong\u003e\u003cbr\u003eA: The fan motor is a hydraulic-driven motor that spins the engine cooling fan. It is controlled by the engine cooling system — as coolant temperature rises, hydraulic flow to the fan motor increases, speeding up the fan to dissipate heat. On large wheel loaders and motor graders working in extreme conditions (mining, quarry, road construction), a failing fan motor causes rapid engine overheating, risking warped cylinder heads, turbo failure, and engine shutdown.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Should I check the hydraulic system when replacing this fan motor?\u003c\/strong\u003e\u003cbr\u003eA: Yes. Before installing the new fan motor, inspect the hydraulic lines, fittings, and cooling system for contamination, blockages, or damaged O-rings. Flushing the hydraulic circuit and replacing the hydraulic filter is strongly recommended to prevent contaminant-driven failure of the new motor. These machines operate in mining, quarry, and road construction environments with extreme contamination — skipping the flush will likely destroy the new motor within hours.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What type of hydraulic oil is recommended for the fan motor circuit on these CAT machines?\u003c\/strong\u003e\u003cbr\u003eA: Caterpillar specifies Cat HYDO Advanced 10W or 30W hydraulic oil for the fan motor hydraulic circuit. Using non-CAT approved hydraulic fluids can cause accelerated wear, seal failure, and void the warranty. In demanding mining, quarry, and road construction applications, more frequent hydraulic oil and filter changes are strongly recommended.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How do I confirm this is the correct fan motor for my CAT equipment?\u003c\/strong\u003e\u003cbr\u003eA: Check the part number on your current fan motor — if it reads 2135268 or 213-5268, this is the correct replacement. If the label is worn or missing, provide your equipment serial number and we will verify compatibility before you order.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Does this fan motor come with mounting hardware or gaskets included?\u003c\/strong\u003e\u003cbr\u003eA: The fan motor is supplied as a complete unit. Depending on your equipment configuration, you may need separate mounting bolts, hydraulic fittings, gaskets, or O-rings. Contact us with your serial number and we will confirm exactly what is included and what additional parts you may need for installation.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What is the warranty on this engine fan motor?\u003c\/strong\u003e\u003cbr\u003eA: This fan motor comes with a 12-month warranty covering manufacturing defects. The warranty does not cover damage caused by contaminated hydraulic oil, improper installation, failure to flush the hydraulic system, or using non-CAT approved hydraulic fluids.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What are the symptoms of a failing engine fan motor on CAT 834G, 834H, 836G, 836H, 988G, 988H wheel loaders, or 24M motor grader?\u003c\/strong\u003e\u003cbr\u003eA: Common signs include engine overheating during normal operation, the cooling fan not spinning or spinning slowly, hydraulic-driven fan failing to respond to temperature changes, unusual noise (grinding or whining) from the fan motor area, and visible hydraulic oil leakage around the fan motor. The CAT 834G-836H and 988G-988H are large wheel loaders used in mining, quarry, road construction, and heavy earthmoving — overheating in these machines can lead to catastrophic engine failure, turbo damage, and extremely expensive downtime.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Does the 2135268 fit all six wheel loader models and the 24M motor grader?\u003c\/strong\u003e\u003cbr\u003eA: Yes, the 2135268 (213-5268) is designed as a direct OEM-compatible replacement for the CAT 834G, 834H, 836G, 836H, 988G, 988H wheel loaders, and the 24M motor grader. These models share the same fan motor mounting and hydraulic drive architecture. Contact us with your equipment serial number to confirm exact compatibility.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What does the fan motor do on these CAT machines?\u003c\/strong\u003e\u003cbr\u003eA: The fan motor is a hydraulic-driven motor that spins the engine cooling fan. It is controlled by the engine cooling system — as coolant temperature rises, hydraulic flow to the fan motor increases, speeding up the fan to dissipate heat. On large wheel loaders and motor graders working in extreme conditions (mining, quarry, road construction), a failing fan motor causes rapid engine overheating, risking warped cylinder heads, turbo failure, and engine shutdown.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Should I check the hydraulic system when replacing this fan motor?\u003c\/strong\u003e\u003cbr\u003eA: Yes. Before installing the new fan motor, inspect the hydraulic lines, fittings, and cooling system for contamination, blockages, or damaged O-rings. Flushing the hydraulic circuit and replacing the hydraulic filter is strongly recommended to prevent contaminant-driven failure of the new motor. These machines operate in mining, quarry, and road construction environments with extreme contamination — skipping the flush will likely destroy the new motor within hours.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What type of hydraulic oil is recommended for the fan motor circuit on these CAT machines?\u003c\/strong\u003e\u003cbr\u003eA: Caterpillar specifies Cat HYDO Advanced 10W or 30W hydraulic oil for the fan motor hydraulic circuit. Using non-CAT approved hydraulic fluids can cause accelerated wear, seal failure, and void the warranty. In demanding mining, quarry, and road construction applications, more frequent hydraulic oil and filter changes are strongly recommended.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How do I confirm this is the correct fan motor for my CAT equipment?\u003c\/strong\u003e\u003cbr\u003eA: Check the part number on your current fan motor — if it reads 2135268 or 213-5268, this is the correct replacement. If the label is worn or missing, provide your equipment serial number and we will verify compatibility before you order.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Does this fan motor come with mounting hardware or gaskets included?\u003c\/strong\u003e\u003cbr\u003eA: The fan motor is supplied as a complete unit. Depending on your equipment configuration, you may need separate mounting bolts, hydraulic fittings, gaskets, or O-rings. Contact us with your serial number and we will confirm exactly what is included and what additional parts you may need for installation.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What is the warranty on this engine fan motor?\u003c\/strong\u003e\u003cbr\u003eA: This fan motor comes with a 12-month warranty covering manufacturing defects. The warranty does not cover damage caused by contaminated hydraulic oil, improper installation, failure to flush the hydraulic system, or using non-CAT approved hydraulic fluids.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What are the symptoms of a failing engine fan motor on CAT 834G, 834H, 836G, 836H, 988G, 988H wheel loaders, or 24M motor grader?\u003c\/strong\u003e\u003cbr\u003eA: Common signs include engine overheating during normal operation, the cooling fan not spinning or spinning slowly, hydraulic-driven fan failing to respond to temperature changes, unusual noise (grinding or whining) from the fan motor area, and visible hydraulic oil leakage around the fan motor. The CAT 834G-836H and 988G-988H are large wheel loaders used in mining, quarry, road construction, and heavy earthmoving — overheating in these machines can lead to catastrophic engine failure, turbo damage, and extremely expensive downtime.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Does the 2135268 fit all six wheel loader models and the 24M motor grader?\u003c\/strong\u003e\u003cbr\u003eA: Yes, the 2135268 (213-5268) is designed as a direct OEM-compatible replacement for the CAT 834G, 834H, 836G, 836H, 988G, 988H wheel loaders, and the 24M motor grader. These models share the same fan motor mounting and hydraulic drive architecture. Contact us with your equipment serial number to confirm exact compatibility.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What does the fan motor do on these CAT machines?\u003c\/strong\u003e\u003cbr\u003eA: The fan motor is a hydraulic-driven motor that spins the engine cooling fan. It is controlled by the engine cooling system — as coolant temperature rises, hydraulic flow to the fan motor increases, speeding up the fan to dissipate heat. On large wheel loaders and motor graders working in extreme conditions (mining, quarry, road construction), a failing fan motor causes rapid engine overheating, risking warped cylinder heads, turbo failure, and engine shutdown.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Should I check the hydraulic system when replacing this fan motor?\u003c\/strong\u003e\u003cbr\u003eA: Yes. Before installing the new fan motor, inspect the hydraulic lines, fittings, and cooling system for contamination, blockages, or damaged O-rings. Flushing the hydraulic circuit and replacing the hydraulic filter is strongly recommended to prevent contaminant-driven failure of the new motor. These machines operate in mining, quarry, and road construction environments with extreme contamination — skipping the flush will likely destroy the new motor within hours.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What type of hydraulic oil is recommended for the fan motor circuit on these CAT machines?\u003c\/strong\u003e\u003cbr\u003eA: Caterpillar specifies Cat HYDO Advanced 10W or 30W hydraulic oil for the fan motor hydraulic circuit. Using non-CAT approved hydraulic fluids can cause accelerated wear, seal failure, and void the warranty. In demanding mining, quarry, and road construction applications, more frequent hydraulic oil and filter changes are strongly recommended.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How do I confirm this is the correct fan motor for my CAT equipment?\u003c\/strong\u003e\u003cbr\u003eA: Check the part number on your current fan motor — if it reads 2135268 or 213-5268, this is the correct replacement. If the label is worn or missing, provide your equipment serial number and we will verify compatibility before you order.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Does this fan motor come with mounting hardware or gaskets included?\u003c\/strong\u003e\u003cbr\u003eA: The fan motor is supplied as a complete unit. Depending on your equipment configuration, you may need separate mounting bolts, hydraulic fittings, gaskets, or O-rings. Contact us with your serial number and we will confirm exactly what is included and what additional parts you may need for installation.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What is the warranty on this engine fan motor?\u003c\/strong\u003e\u003cbr\u003eA: This fan motor comes with a 12-month warranty covering manufacturing defects. The warranty does not cover damage caused by contaminated hydraulic oil, improper installation, failure to flush the hydraulic system, or using non-CAT approved hydraulic fluids.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What are the symptoms of a failing engine fan motor on CAT 834G, 834H, 836G, 836H, 988G, 988H wheel loaders, or 24M motor grader?\u003c\/strong\u003e\u003cbr\u003eA: Common signs include engine overheating during normal operation, the cooling fan not spinning or spinning slowly, hydraulic-driven fan failing to respond to temperature changes, unusual noise (grinding or whining) from the fan motor area, and visible hydraulic oil leakage around the fan motor. The CAT 834G-836H and 988G-988H are large wheel loaders used in mining, quarry, road construction, and heavy earthmoving — overheating in these machines can lead to catastrophic engine failure, turbo damage, and extremely expensive downtime.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Does the 2135268 fit all six wheel loader models and the 24M motor grader?\u003c\/strong\u003e\u003cbr\u003eA: Yes, the 2135268 (213-5268) is designed as a direct OEM-compatible replacement for the CAT 834G, 834H, 836G, 836H, 988G, 988H wheel loaders, and the 24M motor grader. These models share the same fan motor mounting and hydraulic drive architecture. Contact us with your equipment serial number to confirm exact compatibility.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What does the fan motor do on these CAT machines?\u003c\/strong\u003e\u003cbr\u003eA: The fan motor is a hydraulic-driven motor that spins the engine cooling fan. It is controlled by the engine cooling system — as coolant temperature rises, hydraulic flow to the fan motor increases, speeding up the fan to dissipate heat. On large wheel loaders and motor graders working in extreme conditions (mining, quarry, road construction), a failing fan motor causes rapid engine overheating, risking warped cylinder heads, turbo failure, and engine shutdown.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Should I check the hydraulic system when replacing this fan motor?\u003c\/strong\u003e\u003cbr\u003eA: Yes. Before installing the new fan motor, inspect the hydraulic lines, fittings, and cooling system for contamination, blockages, or damaged O-rings. Flushing the hydraulic circuit and replacing the hydraulic filter is strongly recommended to prevent contaminant-driven failure of the new motor. These machines operate in mining, quarry, and road construction environments with extreme contamination — skipping the flush will likely destroy the new motor within hours.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What type of hydraulic oil is recommended for the fan motor circuit on these CAT machines?\u003c\/strong\u003e\u003cbr\u003eA: Caterpillar specifies Cat HYDO Advanced 10W or 30W hydraulic oil for the fan motor hydraulic circuit. Using non-CAT approved hydraulic fluids can cause accelerated wear, seal failure, and void the warranty. In demanding mining, quarry, and road construction applications, more frequent hydraulic oil and filter changes are strongly recommended.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How do I confirm this is the correct fan motor for my CAT equipment?\u003c\/strong\u003e\u003cbr\u003eA: Check the part number on your current fan motor — if it reads 2135268 or 213-5268, this is the correct replacement. If the label is worn or missing, provide your equipment serial number and we will verify compatibility before you order.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Does this fan motor come with mounting hardware or gaskets included?\u003c\/strong\u003e\u003cbr\u003eA: The fan motor is supplied as a complete unit. Depending on your equipment configuration, you may need separate mounting bolts, hydraulic fittings, gaskets, or O-rings. Contact us with your serial number and we will confirm exactly what is included and what additional parts you may need for installation.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What is the warranty on this engine fan motor?\u003c\/strong\u003e\u003cbr\u003eA: This fan motor comes with a 12-month warranty covering manufacturing defects. The warranty does not cover damage caused by contaminated hydraulic oil, improper installation, failure to flush the hydraulic system, or using non-CAT approved hydraulic fluids.\u003c\/p\u003e\n\u003cp\u003eLooking for this fan motor? Contact us today for pricing, availability, and lead time information.\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"\/pages\/contact\"\u003eRequest a Quote\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eRelated Products\u003c\/h3\u003e\n\u003cp\u003eExplore our full range of \u003ca href=\"\/collections\/construction-machinery-caterpillar\"\u003eCaterpillar fan motors\u003c\/a\u003e.\u003c\/p\u003e","brand":"HEPUMP","offers":[{"title":"Default Title","offer_id":46754456797340,"sku":null,"price":0.0,"currency_code":"CNY","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0738\/7385\/0524\/files\/213-52681.jpg?v=1777214523"},{"product_id":"cat-385c-390d-excavator-fan-motor-2254614-225-4614","title":"CAT 2254614 (225-4614) Fan Motor | Fits 385C,390D Excavator","description":"\u003ch2\u003eCAT 2254614 (225-4614) Fan Motor | Fits 385C 390D Excavator\u003c\/h2\u003e\n\u003cp\u003ePremium engine fan motor designed as a direct OEM-compatible replacement for Caterpillar 385C and 390D excavators. Built to deliver reliable engine cooling performance and long service life in demanding mining, quarry, and heavy excavation applications.\u003c\/p\u003e\n\u003ch3\u003eProduct Highlights\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e 2254614 \/ 225-4614\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDirect Fit:\u003c\/strong\u003e No modifications required\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh Performance:\u003c\/strong\u003e Meets or exceeds original Caterpillar specifications\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurable Construction:\u003c\/strong\u003e Precision-engineered for long service life\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWide Application:\u003c\/strong\u003e Suitable for mining, quarry, and heavy excavation projects\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e 2254614 \/ 225-4614\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Type:\u003c\/strong\u003e Engine Fan Motor\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand Compatibility:\u003c\/strong\u003e Caterpillar (CAT)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Engine Cooling System\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 12 Months\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eCompatible Models\u003c\/h3\u003e\n\u003cp\u003eThis fan motor fits the following Caterpillar excavators:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eCaterpillar 385C Excavator\u003c\/li\u003e\n\u003cli\u003eCaterpillar 390D Excavator\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eEngine Cooling Fan Drive\u003c\/li\u003e\n\u003cli\u003eRadiator Cooling System\u003c\/li\u003e\n\u003cli\u003eHydraulic Oil Cooling\u003c\/li\u003e\n\u003cli\u003eMining, Quarry, and Heavy Excavation Projects\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhy Choose This Motor?\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eQuality Guaranteed - Manufactured to meet OEM standards\u003c\/li\u003e\n\u003cli\u003eReady to Ship - In stock and available for immediate dispatch\u003c\/li\u003e\n\u003cli\u003eExpert Support - Technical assistance available\u003c\/li\u003e\n\u003cli\u003eCompetitive Pricing - Cost-effective alternative to dealer parts\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What are the symptoms of a failing engine fan motor on CAT 385C or 390D excavators?\u003c\/strong\u003e\u003cbr\u003eA: Common signs include engine overheating during normal operation, the cooling fan not spinning or spinning slowly, hydraulic-driven fan failing to respond to temperature changes, unusual noise (grinding or whining) from the fan motor area, and visible hydraulic oil leakage around the fan motor. The CAT 385C and 390D are large excavators used in mining, quarry, and heavy excavation — overheating in these machines can lead to catastrophic engine failure, turbo damage, and extremely expensive downtime.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Does the 2254614 fit both excavator models?\u003c\/strong\u003e\u003cbr\u003eA: Yes, the 2254614 (225-4614) is designed as a direct OEM-compatible replacement for the CAT 385C and 390D excavators. These models share the same fan motor mounting and hydraulic drive architecture. Contact us with your excavator serial number to confirm exact compatibility.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What does the fan motor do on these large CAT excavators?\u003c\/strong\u003e\u003cbr\u003eA: The fan motor is a hydraulic-driven motor that spins the engine cooling fan. It is controlled by the engine cooling system — as coolant temperature rises, hydraulic flow to the fan motor increases, speeding up the fan to dissipate heat. On large excavators like the 385C and 390D working in extreme conditions, a failing fan motor causes rapid engine overheating, risking warped cylinder heads and engine shutdown.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Should I check the hydraulic system when replacing this fan motor on a 385C or 390D?\u003c\/strong\u003e\u003cbr\u003eA: Absolutely. Before installing the new fan motor, inspect the hydraulic lines, fittings, and cooling system for contamination, blockages, or damaged O-rings. Flushing the hydraulic circuit and replacing the hydraulic filter is strongly recommended to prevent contaminant-driven failure of the new motor. Large excavators in mining and quarry environments operate under extreme contamination — skipping the flush will likely destroy the new motor within hours.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What type of hydraulic oil is recommended for the fan motor circuit on CAT 385C and 390D?\u003c\/strong\u003e\u003cbr\u003eA: Caterpillar specifies Cat HYDO Advanced 10W or 30W hydraulic oil for the fan motor hydraulic circuit. Using non-CAT approved hydraulic fluids can cause accelerated wear, seal failure, and void the warranty. In demanding mining and quarry applications, more frequent hydraulic oil and filter changes are strongly recommended.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How do I confirm this is the correct fan motor for my CAT excavator?\u003c\/strong\u003e\u003cbr\u003eA: Check the part number on your current fan motor — if it reads 2254614 or 225-4614, this is the correct replacement. If the label is worn or missing, provide your excavator serial number and we will verify compatibility before you order.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Does this fan motor come with mounting hardware or gaskets included?\u003c\/strong\u003e\u003cbr\u003eA: The fan motor is supplied as a complete unit. Depending on your excavator configuration, you may need separate mounting bolts, hydraulic fittings, gaskets, or O-rings. Contact us with your serial number and we will confirm exactly what is included and what additional parts you may need for installation.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What is the warranty on this engine fan motor?\u003c\/strong\u003e\u003cbr\u003eA: This fan motor comes with a 12-month warranty covering manufacturing defects. The warranty does not cover damage caused by contaminated hydraulic oil, improper installation, failure to flush the hydraulic system, or using non-CAT approved hydraulic fluids.\u003c\/p\u003e\n\u003cp\u003eLooking for this fan motor? Contact us today for pricing, availability, and lead time information.\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"\/pages\/contact\"\u003eRequest a Quote\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eRelated Products\u003c\/h3\u003e\n\u003cp\u003eExplore our full range of \u003ca href=\"\/collections\/construction-machinery-caterpillar\"\u003eCaterpillar piston pumps\u003c\/a\u003e.\u003c\/p\u003e","brand":"HEPUMP","offers":[{"title":"Default Title","offer_id":46754458468508,"sku":null,"price":0.0,"currency_code":"CNY","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0738\/7385\/0524\/files\/225-46141.jpg?v=1777214862"},{"product_id":"cat-340-336-mhpu-352-349-336-345gc-352-uhd-excavator-piston-motor-5120949-512-0949","title":"CAT 512-0949 (512-0949) Motor GP-Piston | Fits 340 336 MHPU 352 349 336 345 GC 352 UHD Excavator","description":"\u003ch2\u003eCAT 5120949 (512-0949) Piston Motor | Fits 340 336 MHPU 352 349 336 345GC 352 UHD Excavator\u003c\/h2\u003e\n\u003cp\u003ePremium hydraulic piston motor designed as a direct OEM-compatible replacement for Caterpillar 340, 336 MHPU, 352, 349, 336, 345GC, and 352 UHD excavators. Built to deliver reliable drive power and long service life in demanding mining, quarry, demolition, and heavy excavation applications.\u003c\/p\u003e\n\u003ch3\u003eProduct Highlights\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e 5120949 \/ 512-0949\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDirect Fit:\u003c\/strong\u003e No modifications required\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh Performance:\u003c\/strong\u003e Meets or exceeds original Caterpillar specifications\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurable Construction:\u003c\/strong\u003e Precision-engineered for long service life\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWide Application:\u003c\/strong\u003e Suitable for mining, quarry, demolition, and heavy excavation projects\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e 5120949 \/ 512-0949\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Type:\u003c\/strong\u003e Hydraulic Piston Motor\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand Compatibility:\u003c\/strong\u003e Caterpillar (CAT)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Hydraulic System\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 12 Months\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eCompatible Models\u003c\/h3\u003e\n\u003cp\u003eThis piston motor fits the following Caterpillar excavators:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eCaterpillar 340 Excavator\u003c\/li\u003e\n\u003cli\u003eCaterpillar 336 MHPU Material Handler\u003c\/li\u003e\n\u003cli\u003eCaterpillar 352 Excavator\u003c\/li\u003e\n\u003cli\u003eCaterpillar 349 Excavator\u003c\/li\u003e\n\u003cli\u003eCaterpillar 336 Excavator\u003c\/li\u003e\n\u003cli\u003eCaterpillar 345GC Excavator\u003c\/li\u003e\n\u003cli\u003eCaterpillar 352 UHD Ultra High Demolition Excavator\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eExcavator Travel Drive System\u003c\/li\u003e\n\u003cli\u003eExcavator Propel and Traction Functions\u003c\/li\u003e\n\u003cli\u003eHeavy-Duty Digging and Demolition Operations\u003c\/li\u003e\n\u003cli\u003eMining, Quarry, Demolition, and Heavy Excavation Projects\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhy Choose This Motor?\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eQuality Guaranteed - Manufactured to meet OEM standards\u003c\/li\u003e\n\u003cli\u003eReady to Ship - In stock and available for immediate dispatch\u003c\/li\u003e\n\u003cli\u003eExpert Support - Technical assistance available\u003c\/li\u003e\n\u003cli\u003eCompetitive Pricing - Cost-effective alternative to dealer parts\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What are the symptoms of a failing hydraulic piston motor on CAT 340, 336 MHPU, 352, 349, 336, 345GC, or 352 UHD excavators?\u003c\/strong\u003e\u003cbr\u003eA: Common signs include slow or failed swing\/rotation, the excavator upper structure failing to rotate smoothly, travel drive becoming sluggish or non-responsive, hydraulic oil overheating during operation, whining or grinding noise from the motor area, and visible hydraulic fluid leakage. These are large excavators (including the 352 UHD ultra-high demolition version) used in heavy construction, demolition, and excavation — piston motor failure causes loss of swing or travel capability, severely limiting machine functionality and jobsite safety.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Does the 5120949 fit all seven excavator models?\u003c\/strong\u003e\u003cbr\u003eA: Yes, the 5120949 (512-0949) is designed as a direct OEM-compatible replacement for the CAT 340, 336 MHPU, 352, 349, 336, 345GC, and 352 UHD excavators. These models share the same motor mounting and hydraulic system architecture. Contact us with your excavator serial number to confirm exact compatibility.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What hydraulic functions does this piston motor support on these excavators?\u003c\/strong\u003e\u003cbr\u003eA: The 5120949 piston motor is typically used for swing drive (rotating the upper structure) and\/or travel drive (propeling the excavator). A failing swing motor causes the excavator to rotate slowly or not at all — this severely impacts digging efficiency and cycle times. A failing travel motor causes sluggish or failed track movement. The 352 UHD is an ultra-high demolition excavator — swing and travel precision are critical for safe demolition work at height. Motor failure on this machine is a serious safety risk.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Should I flush the hydraulic system when replacing this piston motor on a large excavator?\u003c\/strong\u003e\u003cbr\u003eA: Always, and with extra diligence. Large excavators like the 340, 352, and 352 UHD operate under extreme continuous load in demanding applications (heavy excavation, demolition). Metal particles and contaminants from the old motor can destroy the new motor within hours. Drain and replace all hydraulic oil, flush the system thoroughly with clean oil, replace all filters, and refill with fresh Cat HYDO Advanced hydraulic oil. Professional installation is strongly recommended.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What type of hydraulic oil is recommended for these CAT excavators?\u003c\/strong\u003e\u003cbr\u003eA: Caterpillar specifies Cat HYDO Advanced 10W or 30W depending on ambient operating temperature. For large excavators in heavy excavation and demolition applications under constant heavy load, using non-CAT approved hydraulic fluids can cause immediate motor failure, accelerated wear, and void the warranty.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How do I confirm this is the correct piston motor for my excavator?\u003c\/strong\u003e\u003cbr\u003eA: Check the part number on your current piston motor — if it reads 5120949 or 512-0949, this is the correct replacement. If the label is worn or missing, provide your excavator serial number and we will verify compatibility before you order.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Does this piston motor come with mounting hardware or gaskets included?\u003c\/strong\u003e\u003cbr\u003eA: The motor is supplied as a complete unit. Depending on your excavator configuration, you may need separate mounting bolts, gaskets, or O-rings. Contact us with your serial number and we will confirm exactly what is included and what additional parts you may need for installation.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What is the warranty on this hydraulic piston motor?\u003c\/strong\u003e\u003cbr\u003eA: This piston motor comes with a 12-month warranty covering manufacturing defects. The warranty does not cover damage caused by contaminated hydraulic oil, improper installation, failure to flush the hydraulic system, or using non-CAT approved hydraulic fluids.\u003c\/p\u003e\n\u003cp\u003eLooking for this hydraulic motor? Contact us today for pricing, availability, and lead time information.\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"\/pages\/contact\"\u003eRequest a Quote\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eRelated Products\u003c\/h3\u003e\n\u003cp\u003eExplore our full range of \u003ca href=\"\/collections\/construction-machinery-caterpillar\"\u003eCaterpillar piston pumps\u003c\/a\u003e.\u003c\/p\u003e","brand":"HEPUMP","offers":[{"title":"Default Title","offer_id":46759449559196,"sku":null,"price":0.0,"currency_code":"CNY","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0738\/7385\/0524\/files\/512-09491.jpg?v=1777293402"},{"product_id":"cat-980g-ii-wheel-loader-piston-pump-2093258-209-3258","title":"CAT 2093258 (209-3258) Piston Pump | Fits 980G II Wheel Loader","description":"\u003ch2\u003eCAT 2093258 (209-3258) Piston Pump | Fits 980G II Wheel Loader\u003c\/h2\u003e\n\u003cp\u003ePremium hydraulic piston pump designed as a direct OEM-compatible replacement for Caterpillar 980G II wheel loader. Built to deliver consistent hydraulic performance and long service life in demanding mining, quarry, and heavy material handling applications.\u003c\/p\u003e\n\u003ch3\u003eProduct Highlights\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e 2093258 \/ 209-3258\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDirect Fit:\u003c\/strong\u003e No modifications required\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh Performance:\u003c\/strong\u003e Meets or exceeds original Caterpillar specifications\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurable Construction:\u003c\/strong\u003e Precision-engineered for long service life\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWide Application:\u003c\/strong\u003e Suitable for mining, quarry, and heavy material handling projects\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e 2093258 \/ 209-3258\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Type:\u003c\/strong\u003e Variable Displacement Piston Pump\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand Compatibility:\u003c\/strong\u003e Caterpillar (CAT)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Hydraulic System\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 12 Months\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eCompatible Models\u003c\/h3\u003e\n\u003cp\u003eThis piston pump fits the following Caterpillar wheel loader:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eCaterpillar 980G II Wheel Loader\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eWheel Loader Lift and Tilt Functions\u003c\/li\u003e\n\u003cli\u003eWheel Loader Steering and Brake Systems\u003c\/li\u003e\n\u003cli\u003eHeavy-Duty Loading and Hauling Operations\u003c\/li\u003e\n\u003cli\u003eMining, Quarry, and Material Handling Projects\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhy Choose This Pump?\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eQuality Guaranteed - Manufactured to meet OEM standards\u003c\/li\u003e\n\u003cli\u003eReady to Ship - In stock and available for immediate dispatch\u003c\/li\u003e\n\u003cli\u003eExpert Support - Technical assistance available\u003c\/li\u003e\n\u003cli\u003eCompetitive Pricing - Cost-effective alternative to dealer parts\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What are the symptoms of a failing hydraulic piston pump on a CAT 980G II wheel loader?\u003c\/strong\u003e\u003cbr\u003eA: Common signs include slow or weak lift and tilt response, the loader bucket hesitating or stalling when raising heavy loads, hydraulic oil overheating during normal loading cycles, whining or knocking noise from the pump area, and visible hydraulic fluid leakage. The 980G II is a large wheel loader used in high-production mining, quarry, and construction — pump failure causes significant throughput loss and should be addressed immediately.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Which CAT models does the 2093258 piston pump fit?\u003c\/strong\u003e\u003cbr\u003eA: The 2093258 (209-3258) is designed as a direct OEM-compatible replacement for the CAT 980G II wheel loader. The 980G II is a large wheel loader commonly used in mining, quarry, and heavy construction applications. Contact us with your 980G II serial number to confirm exact compatibility.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What hydraulic functions does this pump support on the 980G II?\u003c\/strong\u003e\u003cbr\u003eA: As the main hydraulic pump on the 980G II, it supplies flow to the lift and tilt circuits (bucket functions), steering system, and any auxiliary circuits. A failing main pump will cause weak or slow operation across all functions simultaneously. Given the 980G II's size and production demands, pump issues should be diagnosed and addressed promptly to avoid expensive downtime.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Should I flush the hydraulic system when replacing this pump on a 980G II wheel loader?\u003c\/strong\u003e\u003cbr\u003eA: Always. Flushing is essential — metal particles and contaminants from the old pump can destroy the new pump within hours. Drain and replace all hydraulic oil, flush the system with clean oil, replace all filters, and refill with fresh Cat HYDO Advanced hydraulic oil. We strongly recommend professional installation by a qualified technician or CAT dealer service center.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What type of hydraulic oil is recommended for the CAT 980G II?\u003c\/strong\u003e\u003cbr\u003eA: Caterpillar specifies Cat HYDO Advanced 10W or 30W depending on ambient operating temperature. For a large wheel loader working in mining or quarry applications under constant heavy load, using non-CAT approved fluids can cause immediate pump failure, accelerated wear, and void the warranty.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How do I confirm this is the correct pump for my 980G II?\u003c\/strong\u003e\u003cbr\u003eA: Check the part number on your current hydraulic pump — if it reads 2093258 or 209-3258, this is the correct replacement. If the label is worn or missing, provide your 980G II serial number and we will verify compatibility before you order.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Does this pump come with mounting hardware or gaskets included?\u003c\/strong\u003e\u003cbr\u003eA: The pump is supplied as a complete unit. Depending on your 980G II configuration, you may need separate mounting bolts, gaskets, or O-rings. Contact us with your serial number and we will confirm exactly what is included and what additional parts you may need for installation.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What is the warranty on this hydraulic piston pump?\u003c\/strong\u003e\u003cbr\u003eA: This piston pump comes with a 12-month warranty covering manufacturing defects. The warranty does not cover damage caused by contaminated hydraulic oil, improper installation, failure to flush the hydraulic system, or using non-CAT approved hydraulic fluids.\u003c\/p\u003e\n\u003cp\u003eLooking for this hydraulic pump? Contact us today for pricing, availability, and lead time information.\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"\/pages\/contact\"\u003eRequest a Quote\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eRelated Products\u003c\/h3\u003e\n\u003cp\u003eExplore our full range of \u003ca href=\"\/collections\/construction-machinery-caterpillar\"\u003eCaterpillar piston pumps\u003c\/a\u003e.\u003c\/p\u003e","brand":"HEPUMP","offers":[{"title":"Default Title","offer_id":46759748599964,"sku":null,"price":0.0,"currency_code":"CNY","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0738\/7385\/0524\/files\/209-32581.jpg?v=1777297308"},{"product_id":"cat-cp-533e-cp-54-compactor-fan-motor-2965159-296-5159","title":"CAT 2965159 (296-5159) Fan Motor | Fits CP-533E, CP-54 Compactor","description":"\u003ch2\u003eCAT 2965159 (296-5159) Fan Motor | Fits CP-533E CP-54 Compactor\u003c\/h2\u003e\n\u003cp\u003ePremium engine fan motor designed as a direct OEM-compatible replacement for Caterpillar CP-533E and CP-54 compactors. Built to deliver reliable engine cooling performance and long service life in demanding road construction, compaction, and earthwork applications.\u003c\/p\u003e\n\u003ch3\u003eProduct Highlights\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e 2965159 \/ 296-5159\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDirect Fit:\u003c\/strong\u003e No modifications required\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh Performance:\u003c\/strong\u003e Meets or exceeds original Caterpillar specifications\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurable Construction:\u003c\/strong\u003e Precision-engineered for long service life\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWide Application:\u003c\/strong\u003e Suitable for road construction, compaction, and earthwork projects\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e 2965159 \/ 296-5159\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Type:\u003c\/strong\u003e Engine Fan Motor\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand Compatibility:\u003c\/strong\u003e Caterpillar (CAT)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Engine Cooling System\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 12 Months\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eCompatible Models\u003c\/h3\u003e\n\u003cp\u003eThis fan motor fits the following Caterpillar compactors:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eCaterpillar CP-533E Compactor\u003c\/li\u003e\n\u003cli\u003eCaterpillar CP-54 Compactor\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eEngine Cooling Fan Drive\u003c\/li\u003e\n\u003cli\u003eRadiator Cooling System\u003c\/li\u003e\n\u003cli\u003eHydraulic Oil Cooling\u003c\/li\u003e\n\u003cli\u003eRoad Construction and Compaction Projects\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhy Choose This Motor?\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eQuality Guaranteed - Manufactured to meet OEM standards\u003c\/li\u003e\n\u003cli\u003eReady to Ship - In stock and available for immediate dispatch\u003c\/li\u003e\n\u003cli\u003eExpert Support - Technical assistance available\u003c\/li\u003e\n\u003cli\u003eCompetitive Pricing - Cost-effective alternative to dealer parts\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What are the symptoms of a failing engine fan motor on CAT CP-533E or CP-54 soil compactors?\u003c\/strong\u003e\u003cbr\u003eA: Common signs include engine overheating during normal operation, the cooling fan not spinning or spinning slowly, hydraulic-driven fan failing to respond to temperature changes, unusual noise (grinding or whining) from the fan motor area, and visible hydraulic oil leakage around the fan motor. CAT CP-533E and CP-54 compactors are widely used in road construction and earthwork — overheating under sustained compaction load in hot weather causes reduced compaction performance and engine damage.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Does the 2965159 fit both compactor models?\u003c\/strong\u003e\u003cbr\u003eA: Yes, the 2965159 (296-5159) is designed as a direct OEM-compatible replacement for the CAT CP-533E and CP-54 compactors. These models share the same fan motor mounting and hydraulic drive architecture. Contact us with your compactor serial number to confirm exact compatibility.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What does the fan motor do on these CAT compactors?\u003c\/strong\u003e\u003cbr\u003eA: The fan motor is a hydraulic-driven motor that spins the engine cooling fan. It is controlled by the engine cooling system — as coolant temperature rises, hydraulic flow to the fan motor increases, speeding up the fan to dissipate heat. A failing fan motor causes inadequate cooling, leading to engine overheating, especially during long compaction shifts under heavy load in hot weather.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Should I check the hydraulic system when replacing this fan motor on a compactor?\u003c\/strong\u003e\u003cbr\u003eA: Yes. Before installing the new fan motor, inspect the hydraulic lines, fittings, and cooling system for contamination, blockages, or damaged O-rings. Flushing the hydraulic circuit and replacing the hydraulic filter is strongly recommended to prevent contaminant-driven failure of the new motor. Compact machines used in road construction are exposed to high levels of dust, debris, and vibration — a thorough flush protects your investment.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What type of hydraulic oil is recommended for the fan motor circuit on CAT CP-533E and CP-54?\u003c\/strong\u003e\u003cbr\u003eA: Caterpillar specifies Cat HYDO Advanced 10W or 30W hydraulic oil for the fan motor hydraulic circuit. Using non-CAT approved hydraulic fluids can cause accelerated wear, seal failure, and void the warranty. For compactors working in dusty road construction and earthwork, more frequent hydraulic oil and filter changes are recommended.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How do I confirm this is the correct fan motor for my CAT compactor?\u003c\/strong\u003e\u003cbr\u003eA: Check the part number on your current fan motor — if it reads 2965159 or 296-5159, this is the correct replacement. If the label is worn or missing, provide your compactor serial number and we will verify compatibility before you order.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Does this fan motor come with mounting hardware or gaskets included?\u003c\/strong\u003e\u003cbr\u003eA: The fan motor is supplied as a complete unit. Depending on your compactor configuration, you may need separate mounting bolts, hydraulic fittings, gaskets, or O-rings. Contact us with your serial number and we will confirm exactly what is included and what additional parts you may need for installation.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What is the warranty on this engine fan motor?\u003c\/strong\u003e\u003cbr\u003eA: This fan motor comes with a 12-month warranty covering manufacturing defects. The warranty does not cover damage caused by contaminated hydraulic oil, improper installation, failure to flush the hydraulic system, or using non-CAT approved hydraulic fluids.\u003c\/p\u003e\n\u003cp\u003eLooking for this fan motor? Contact us today for pricing, availability, and lead time information.\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"\/pages\/contact\"\u003eRequest a Quote\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eRelated Products\u003c\/h3\u003e\n\u003cp\u003eExplore our full range of \u003ca href=\"\/collections\/construction-machinery-caterpillar\"\u003eCaterpillar piston pumps\u003c\/a\u003e.\u003c\/p\u003e","brand":"HEPUMP","offers":[{"title":"Default Title","offer_id":46759906607260,"sku":null,"price":0.0,"currency_code":"CNY","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0738\/7385\/0524\/files\/296-61591.jpg?v=1777301397"},{"product_id":"cat-980g-wheel-loader-fan-pump-1963807-196-3807","title":"CAT 1963807 (196-3807) Fan Pumpr | Fits 980G Wheel Loader","description":"\u003ch2\u003eCAT 1963807 (196-3807) Fan Pump | Fits 980G Wheel Loader\u003c\/h2\u003e\n\u003cp\u003ePremium engine fan pump designed as a direct OEM-compatible replacement for Caterpillar 980G wheel loader. Built to deliver reliable engine cooling performance and long service life in demanding mining, quarry, and heavy material handling applications.\u003c\/p\u003e\n\u003ch3\u003eProduct Highlights\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e 1963807 \/ 196-3807\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDirect Fit:\u003c\/strong\u003e No modifications required\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh Performance:\u003c\/strong\u003e Meets or exceeds original Caterpillar specifications\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurable Construction:\u003c\/strong\u003e Precision-engineered for long service life\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWide Application:\u003c\/strong\u003e Suitable for mining, quarry, and material handling projects\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e 1963807 \/ 196-3807\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Type:\u003c\/strong\u003e Engine Fan Pump\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand Compatibility:\u003c\/strong\u003e Caterpillar (CAT)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Engine Cooling System\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 12 Months\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eCompatible Models\u003c\/h3\u003e\n\u003cp\u003eThis fan pump fits the following Caterpillar wheel loader:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eCaterpillar 980G Wheel Loader\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eEngine Cooling Fan Drive\u003c\/li\u003e\n\u003cli\u003eRadiator Cooling System\u003c\/li\u003e\n\u003cli\u003eHydraulic Oil Cooling\u003c\/li\u003e\n\u003cli\u003eMining, Quarry, and Material Handling Projects\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhy Choose This Pump?\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eQuality Guaranteed - Manufactured to meet OEM standards\u003c\/li\u003e\n\u003cli\u003eReady to Ship - In stock and available for immediate dispatch\u003c\/li\u003e\n\u003cli\u003eExpert Support - Technical assistance available\u003c\/li\u003e\n\u003cli\u003eCompetitive Pricing - Cost-effective alternative to dealer parts\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What are the symptoms of a failing engine fan pump on a CAT 980G wheel loader?\u003c\/strong\u003e\u003cbr\u003eA: Common signs include engine overheating during normal operation, the cooling fan not spinning or spinning slowly, the fan pump failing to provide adequate hydraulic flow, unusual noise (grinding or whining) from the fan pump area, and visible hydraulic oil leakage around the fan pump. The CAT 980G is a large wheel loader widely used in mining, quarry, and heavy material handling — overheating in these environments can lead to catastrophic engine failure and costly downtime.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Does the 1963807 fit the CAT 980G wheel loader?\u003c\/strong\u003e\u003cbr\u003eA: Yes, the 1963807 (196-3807) is designed as a direct OEM-compatible replacement for the CAT 980G wheel loader. It matches the original fan pump mounting and hydraulic drive specifications exactly. Contact us with your wheel loader serial number to confirm exact compatibility.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What does the fan pump do on a CAT 980G wheel loader?\u003c\/strong\u003e\u003cbr\u003eA: The fan pump is a hydraulic component that drives the engine cooling fan. Unlike an electric fan, the hydraulic fan pump is powered by the machine's hydraulic system and modulates fan speed based on engine temperature. A failing fan pump causes inadequate cooling, leading to engine overheating, especially in hot weather or under heavy material handling load (mining, quarry, heavy construction).\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Should I check the hydraulic system when replacing this fan pump on an 980G?\u003c\/strong\u003e\u003cbr\u003eA: Yes. Before installing the new fan pump, inspect the hydraulic lines, fittings, and cooling system for contamination, blockages, or damaged O-rings. Flushing the hydraulic circuit and replacing the hydraulic filter is strongly recommended to prevent contaminant-driven failure of the new pump. In mining, quarry, and material handling environments, contamination is a leading cause of premature fan pump failure.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What type of hydraulic oil is recommended for the fan pump circuit on a CAT 980G?\u003c\/strong\u003e\u003cbr\u003eA: Caterpillar specifies Cat HYDO Advanced 10W or 30W hydraulic oil for the fan pump hydraulic circuit. Using non-CAT approved hydraulic fluids can cause accelerated wear, seal failure, and void the warranty. In high-dust environments (mining, quarry, material handling), more frequent hydraulic oil and filter changes are recommended.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How do I confirm this is the correct fan pump for my CAT 980G wheel loader?\u003c\/strong\u003e\u003cbr\u003eA: Check the part number on your current fan pump — if it reads 1963807 or 196-3807, this is the correct replacement. If the label is worn or missing, provide your wheel loader serial number and we will verify compatibility before you order.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Does this fan pump come with mounting hardware or gaskets included?\u003c\/strong\u003e\u003cbr\u003eA: The fan pump is supplied as a complete unit. Depending on your wheel loader configuration, you may need separate mounting bolts, hydraulic fittings, gaskets, or O-rings. Contact us with your serial number and we will confirm exactly what is included and what additional parts you may need for installation.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What is the warranty on this engine fan pump?\u003c\/strong\u003e\u003cbr\u003eA: This fan pump comes with a 12-month warranty covering manufacturing defects. The warranty does not cover damage caused by contaminated hydraulic oil, improper installation, failure to flush the hydraulic system, or using non-CAT approved hydraulic fluids.\u003c\/p\u003e\n\u003cp\u003eLooking for this fan pump? Contact us today for pricing, availability, and lead time information.\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"\/pages\/contact\"\u003eRequest a Quote\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eRelated Products\u003c\/h3\u003e\n\u003cp\u003eExplore our full range of \u003ca href=\"\/collections\/construction-machinery-caterpillar\"\u003eCaterpillar piston pumps\u003c\/a\u003e.\u003c\/p\u003e","brand":"HEPUMP","offers":[{"title":"Default Title","offer_id":46764813713564,"sku":null,"price":0.0,"currency_code":"CNY","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0738\/7385\/0524\/files\/196-38071.jpg?v=1777384992"},{"product_id":"cat-345c-excavator-fan-motor-2668034-266-8034","title":"CAT 2668034 (266-8034) Fan Motor | Fits 345C Excavator","description":"\u003ch2\u003eCAT 2668034 (266-8034) Fan Motor | Fits 345C Excavator\u003c\/h2\u003e\n\u003cp\u003ePremium engine fan motor designed as a direct OEM-compatible replacement for Caterpillar 345C excavator. Built to deliver reliable engine cooling performance and long service life in demanding mining, quarry, and heavy excavation applications.\u003c\/p\u003e\n\u003ch3\u003eProduct Highlights\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e 2668034 \/ 266-8034\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDirect Fit:\u003c\/strong\u003e No modifications required\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh Performance:\u003c\/strong\u003e Meets or exceeds original Caterpillar specifications\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurable Construction:\u003c\/strong\u003e Precision-engineered for long service life\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWide Application:\u003c\/strong\u003e Suitable for mining, quarry, and heavy excavation projects\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e 2668034 \/ 266-8034\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Type:\u003c\/strong\u003e Engine Fan Motor\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand Compatibility:\u003c\/strong\u003e Caterpillar (CAT)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Engine Cooling System\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 12 Months\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eCompatible Models\u003c\/h3\u003e\n\u003cp\u003eThis fan motor fits the following Caterpillar excavator:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eCaterpillar 345C Excavator\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eEngine Cooling Fan Drive\u003c\/li\u003e\n\u003cli\u003eRadiator Cooling System\u003c\/li\u003e\n\u003cli\u003eHydraulic Oil Cooling\u003c\/li\u003e\n\u003cli\u003eMining, Quarry, and Heavy Excavation Projects\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhy Choose This Motor?\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eQuality Guaranteed - Manufactured to meet OEM standards\u003c\/li\u003e\n\u003cli\u003eReady to Ship - In stock and available for immediate dispatch\u003c\/li\u003e\n\u003cli\u003eExpert Support - Technical assistance available\u003c\/li\u003e\n\u003cli\u003eCompetitive Pricing - Cost-effective alternative to dealer parts\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What are the symptoms of a failing engine fan motor on a CAT 345C excavator?\u003c\/strong\u003e\u003cbr\u003eA: Common signs include engine overheating during normal operation, the cooling fan not spinning or spinning slowly, hydraulic-driven fan failing to respond to temperature changes, unusual noise (grinding or whining) from the fan motor area, and visible hydraulic oil leakage around the fan motor. The CAT 345C is a large excavator used in mining, quarry, and heavy excavation — overheating can lead to catastrophic engine failure, turbo damage, and extremely expensive downtime.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Does the 2668034 fit the CAT 345C excavator?\u003c\/strong\u003e\u003cbr\u003eA: Yes, the 2668034 (266-8034) is designed as a direct OEM-compatible replacement for the CAT 345C excavator. It matches the original fan motor mounting and hydraulic drive specifications exactly. Contact us with your excavator serial number to confirm exact compatibility.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What does the fan motor do on a CAT 345C excavator?\u003c\/strong\u003e\u003cbr\u003eA: The fan motor is a hydraulic-driven motor that spins the engine cooling fan. It is controlled by the engine cooling system — as coolant temperature rises, hydraulic flow to the fan motor increases, speeding up the fan to dissipate heat. On a large excavator like the 345C working in extreme conditions, a failing fan motor causes rapid engine overheating, risking warped cylinder heads and engine shutdown.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Should I check the hydraulic system when replacing this fan motor on a 345C?\u003c\/strong\u003e\u003cbr\u003eA: Yes. Before installing the new fan motor, inspect the hydraulic lines, fittings, and cooling system for contamination, blockages, or damaged O-rings. Flushing the hydraulic circuit and replacing the hydraulic filter is strongly recommended to prevent contaminant-driven failure of the new motor. Large excavators in mining and quarry environments operate under extreme contamination — skipping the flush will likely destroy the new motor within hours.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What type of hydraulic oil is recommended for the fan motor circuit on a CAT 345C?\u003c\/strong\u003e\u003cbr\u003eA: Caterpillar specifies Cat HYDO Advanced 10W or 30W hydraulic oil for the fan motor hydraulic circuit. Using non-CAT approved hydraulic fluids can cause accelerated wear, seal failure, and void the warranty. In demanding mining and quarry applications, more frequent hydraulic oil and filter changes are strongly recommended.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How do I confirm this is the correct fan motor for my CAT 345C excavator?\u003c\/strong\u003e\u003cbr\u003eA: Check the part number on your current fan motor — if it reads 2668034 or 266-8034, this is the correct replacement. If the label is worn or missing, provide your excavator serial number and we will verify compatibility before you order.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Does this fan motor come with mounting hardware or gaskets included?\u003c\/strong\u003e\u003cbr\u003eA: The fan motor is supplied as a complete unit. Depending on your excavator configuration, you may need separate mounting bolts, hydraulic fittings, gaskets, or O-rings. Contact us with your serial number and we will confirm exactly what is included and what additional parts you may need for installation.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What is the warranty on this engine fan motor?\u003c\/strong\u003e\u003cbr\u003eA: This fan motor comes with a 12-month warranty covering manufacturing defects. The warranty does not cover damage caused by contaminated hydraulic oil, improper installation, failure to flush the hydraulic system, or using non-CAT approved hydraulic fluids.\u003c\/p\u003e\n\u003cp\u003eLooking for this fan motor? Contact us today for pricing, availability, and lead time information.\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"\/pages\/contact\"\u003eRequest a Quote\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eRelated Products\u003c\/h3\u003e\n\u003cp\u003eExplore our full range of \u003ca href=\"\/collections\/construction-machinery-caterpillar\"\u003eCaterpillar piston pumps\u003c\/a\u003e.\u003c\/p\u003e","brand":"HEPUMP","offers":[{"title":"Default Title","offer_id":46765022150812,"sku":null,"price":0.0,"currency_code":"CNY","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0738\/7385\/0524\/files\/266-80341.jpg?v=1777387296"},{"product_id":"cat-924g-924h-wheel-loader-piston-pump-1689027-168-9027","title":"CAT 1689027 (168-9027) Piston Pump | Fits 924G 924H Wheel Loader","description":"\u003ch2\u003eCAT 1689027 (168-9027) Piston Pump | Fits 924G 924H Wheel Loader\u003c\/h2\u003e\n\u003cp\u003ePremium hydraulic piston pump designed as a direct OEM-compatible replacement for Caterpillar 924G and 924H wheel loaders. Built to deliver consistent hydraulic performance and long service life in demanding construction, loading, and material handling applications.\u003c\/p\u003e\n\u003ch3\u003eProduct Highlights\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e 1689027 \/ 168-9027\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDirect Fit:\u003c\/strong\u003e No modifications required\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh Performance:\u003c\/strong\u003e Meets or exceeds original Caterpillar specifications\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurable Construction:\u003c\/strong\u003e Precision-engineered for long service life\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWide Application:\u003c\/strong\u003e Suitable for construction, loading, and material handling projects\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e 1689027 \/ 168-9027\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Type:\u003c\/strong\u003e Variable Displacement Piston Pump\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand Compatibility:\u003c\/strong\u003e Caterpillar (CAT)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Hydraulic System\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 12 Months\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eCompatible Models\u003c\/h3\u003e\n\u003cp\u003eThis piston pump fits the following Caterpillar wheel loaders:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eCaterpillar 924G Wheel Loader\u003c\/li\u003e\n\u003cli\u003eCaterpillar 924H Wheel Loader\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eWheel Loader Lift and Tilt Functions\u003c\/li\u003e\n\u003cli\u003eWheel Loader Steering and Brake Systems\u003c\/li\u003e\n\u003cli\u003eHeavy-Duty Loading and Hauling Operations\u003c\/li\u003e\n\u003cli\u003eConstruction, Quarry, and Material Handling Projects\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhy Choose This Pump?\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eQuality Guaranteed - Manufactured to meet OEM standards\u003c\/li\u003e\n\u003cli\u003eReady to Ship - In stock and available for immediate dispatch\u003c\/li\u003e\n\u003cli\u003eExpert Support - Technical assistance available\u003c\/li\u003e\n\u003cli\u003eCompetitive Pricing - Cost-effective alternative to dealer parts\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What are the symptoms of a failing hydraulic piston pump on CAT 924G or 924H wheel loaders?\u003c\/strong\u003e\u003cbr\u003eA: Common signs include slow or weak lift and tilt response, the loader bucket hesitating or failing to hold position under load, hydraulic oil overheating during normal operation, whining or knocking noise from the pump area, and visible hydraulic fluid leakage. The 924G and 924H are compact wheel loaders used in construction, loading, and material handling — pump failure causes reduced loading efficiency and poor maneuverability in tight spaces.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Does the 1689027 fit both the 924G and 924H wheel loaders?\u003c\/strong\u003e\u003cbr\u003eA: Yes, the 1689027 (168-9027) is designed as a direct OEM-compatible replacement for both the CAT 924G and 924H wheel loaders. These models share the same pump mounting and hydraulic system architecture. Contact us with your wheel loader serial number to confirm exact compatibility.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What hydraulic functions does this pump support on a 924G\/924H wheel loader?\u003c\/strong\u003e\u003cbr\u003eA: As the main hydraulic pump, it supplies flow to the lift and tilt circuits (bucket functions), steering system, and any auxiliary circuits. The 924G\/924H are compact wheel loaders often used in confined spaces — precise hydraulic control is critical for safe and efficient operation in tight job sites, and a failing pump makes the machine sluggish and difficult to control.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Should I flush the hydraulic system when replacing this pump?\u003c\/strong\u003e\u003cbr\u003eA: Always. Flushing is essential — metal contaminants from the old pump can destroy the new pump within hours. Drain and replace all hydraulic oil, flush the system with clean oil, replace all filters, and refill with fresh Cat HYDO Advanced hydraulic oil. Compact wheel loaders working in construction and material handling are exposed to dirt and debris — a thorough flush is critical for long pump life.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What type of hydraulic oil is recommended for the 924G and 924H?\u003c\/strong\u003e\u003cbr\u003eA: Caterpillar specifies Cat HYDO Advanced 10W or 30W depending on operating temperature. Compact wheel loaders working in construction, loading, and material handling should use Cat-approved fluids to ensure long pump life and maintain warranty coverage.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How do I confirm this is the correct pump for my wheel loader?\u003c\/strong\u003e\u003cbr\u003eA: Check the part number on your current pump — if it reads 1689027 or 168-9027, this is the correct replacement. If the label is worn or missing, provide your 924G or 924H serial number and we will verify compatibility before you order.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Does this pump come with mounting hardware or gaskets included?\u003c\/strong\u003e\u003cbr\u003eA: The pump is supplied as a complete unit. Depending on your wheel loader configuration, you may need separate mounting bolts, gaskets, or O-rings. Contact us with your serial number and we will confirm exactly what is included and what additional parts you may need for installation.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What is the warranty on this hydraulic piston pump?\u003c\/strong\u003e\u003cbr\u003eA: This piston pump comes with a 12-month warranty covering manufacturing defects. The warranty does not cover damage caused by contaminated hydraulic oil, improper installation, failure to flush the hydraulic system, or using non-CAT approved hydraulic fluids.\u003c\/p\u003e\n\u003cp\u003eLooking for this hydraulic pump? Contact us today for pricing, availability, and lead time information.\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"\/pages\/contact\"\u003eRequest a Quote\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eRelated Products\u003c\/h3\u003e\n\u003cp\u003eExplore our full range of \u003ca href=\"\/collections\/construction-machinery-caterpillar\"\u003eCaterpillar piston pumps\u003c\/a\u003e.\u003c\/p\u003e","brand":"HEPUMP","offers":[{"title":"Default Title","offer_id":46780678111388,"sku":null,"price":0.0,"currency_code":"CNY","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0738\/7385\/0524\/files\/168-90271.jpg?v=1777473719"},{"product_id":"cat-it62h-950h-962h-wheel-loader-piston-pump-2545146-254-5146","title":"CAT 2545146 (254-5146) Piston Pump | Fits IT62H 950H 962H Wheel Loader","description":"\u003ch2\u003eCAT 2545146 (254-5146) Piston Pump | Fits IT62H 950H 962H Wheel Loader\u003c\/h2\u003e\n\u003cp\u003ePremium hydraulic piston pump designed as a direct OEM-compatible replacement for Caterpillar IT62H, 950H, and 962H wheel loaders. Built to deliver consistent hydraulic performance and long service life in demanding construction, loading, and material handling applications.\u003c\/p\u003e\n\u003ch3\u003eProduct Highlights\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e 2545146 \/ 254-5146\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDirect Fit:\u003c\/strong\u003e No modifications required\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh Performance:\u003c\/strong\u003e Meets or exceeds original Caterpillar specifications\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurable Construction:\u003c\/strong\u003e Precision-engineered for long service life\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWide Application:\u003c\/strong\u003e Suitable for construction, loading, and material handling projects\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e 2545146 \/ 254-5146\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Type:\u003c\/strong\u003e Variable Displacement Piston Pump\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand Compatibility:\u003c\/strong\u003e Caterpillar (CAT)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Hydraulic System\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 12 Months\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eCompatible Models\u003c\/h3\u003e\n\u003cp\u003eThis piston pump fits the following Caterpillar wheel loaders:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eCaterpillar IT62H Wheel Loader\u003c\/li\u003e\n\u003cli\u003eCaterpillar 950H Wheel Loader\u003c\/li\u003e\n\u003cli\u003eCaterpillar 962H Wheel Loader\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eWheel Loader Lift and Tilt Functions\u003c\/li\u003e\n\u003cli\u003eWheel Loader Steering and Brake Systems\u003c\/li\u003e\n\u003cli\u003eHeavy-Duty Loading and Hauling Operations\u003c\/li\u003e\n\u003cli\u003eConstruction, Quarry, and Material Handling Projects\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhy Choose This Pump?\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eQuality Guaranteed - Manufactured to meet OEM standards\u003c\/li\u003e\n\u003cli\u003eReady to Ship - In stock and available for immediate dispatch\u003c\/li\u003e\n\u003cli\u003eExpert Support - Technical assistance available\u003c\/li\u003e\n\u003cli\u003eCompetitive Pricing - Cost-effective alternative to dealer parts\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What are the symptoms of a failing hydraulic piston pump on CAT IT62H, 950H, or 962H wheel loaders?\u003c\/strong\u003e\u003cbr\u003eA: Common signs include slow or weak lift and tilt response, the loader bucket hesitating or stalling when raising heavy loads, hydraulic oil overheating during normal loading cycles, whining or knocking noise from the pump area, and visible hydraulic fluid leakage. The IT62H, 950H, and 962H are medium to large wheel loaders used in construction, loading, and material handling — pump failure causes reduced loading efficiency and productivity loss.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Does the 2545146 fit all three wheel loader models?\u003c\/strong\u003e\u003cbr\u003eA: Yes, the 2545146 (254-5146) is designed as a direct OEM-compatible replacement for the CAT IT62H, 950H, and 962H wheel loaders. These models share the same pump mounting and hydraulic system architecture. Contact us with your wheel loader serial number to confirm exact compatibility.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What hydraulic functions does this pump support on these wheel loaders?\u003c\/strong\u003e\u003cbr\u003eA: As the main hydraulic pump, it supplies flow to the lift and tilt circuits (bucket functions), steering system, and any auxiliary circuits. Wheel loaders perform repeated loading cycles — pump failure causes the bucket to hesitate, move slowly, or fail to lift full loads, directly reducing loading cycle efficiency and tons per hour.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Should I flush the hydraulic system when replacing this pump on a wheel loader?\u003c\/strong\u003e\u003cbr\u003eA: Always. Flushing is essential — metal particles and contaminants from the old pump can destroy the new pump within hours. Drain and replace all hydraulic oil, flush the system with clean oil, replace all filters, and refill with fresh Cat HYDO Advanced hydraulic oil. Wheel loaders in construction and material handling operations are under constant heavy load — a thorough flush is critical.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What type of hydraulic oil is recommended for the IT62H, 950H, and 962H?\u003c\/strong\u003e\u003cbr\u003eA: Caterpillar specifies Cat HYDO Advanced 10W or 30W depending on ambient operating temperature. Wheel loaders in construction, loading, and material handling applications operate under frequent heavy load — using non-CAT approved hydraulic fluids can cause pump wear and void the warranty.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How do I confirm this is the correct pump for my wheel loader?\u003c\/strong\u003e\u003cbr\u003eA: Check the part number on your current hydraulic pump — if it reads 2545146 or 254-5146, this is the correct replacement. If the label is worn or missing, provide your IT62H, 950H, or 962H serial number and we will verify compatibility before you order.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Does this pump come with mounting hardware or gaskets included?\u003c\/strong\u003e\u003cbr\u003eA: The pump is supplied as a complete unit. Depending on your wheel loader configuration, you may need separate mounting bolts, gaskets, or O-rings. Contact us with your serial number and we will confirm exactly what is included and what additional parts you may need for installation.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What is the warranty on this hydraulic piston pump?\u003c\/strong\u003e\u003cbr\u003eA: This piston pump comes with a 12-month warranty covering manufacturing defects. The warranty does not cover damage caused by contaminated hydraulic oil, improper installation, failure to flush the hydraulic system, or using non-CAT approved hydraulic fluids.\u003c\/p\u003e\n\u003cp\u003eLooking for this hydraulic pump? Contact us today for pricing, availability, and lead time information.\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"\/pages\/contact\"\u003eRequest a Quote\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eRelated Products\u003c\/h3\u003e\n\u003cp\u003eExplore our full range of \u003ca href=\"\/collections\/construction-machinery-caterpillar\"\u003eCaterpillar piston pumps\u003c\/a\u003e.\u003c\/p\u003e","brand":"HEPUMP","offers":[{"title":"Default Title","offer_id":46788176248988,"sku":null,"price":0.0,"currency_code":"CNY","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0738\/7385\/0524\/files\/254-51461.jpg?v=1777556645"}],"url":"https:\/\/hepumpstore.com\/collections\/piston-pump-series.oembed?page=4","provider":"HEPUMP","version":"1.0","type":"link"}