{"product_id":"piston-pump-267-2755","title":"CAT 2672755 (267-2755) Piston Pump | Fits 420E 430E 432E 434E 442E 444E","description":"\u003ch2\u003eCAT 2672755 (267-2755) Piston Pump | Fits 420E 430E 432E 434E 442E 444E\u003c\/h2\u003e\n\u003cp\u003ePremium hydraulic piston pump designed as a direct OEM-compatible replacement for Caterpillar 420E, 430E, 432E, 434E, 442E, and 444E backhoe loaders. Built to deliver reliable hydraulic performance and long service life in demanding construction 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 2672755 \/ 267-2755\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 backhoe loaders\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 2672755 \/ 267-2755\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 backhoe loaders:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eCaterpillar 420E Backhoe Loader\u003c\/li\u003e\n\u003cli\u003eCaterpillar 430E Backhoe Loader\u003c\/li\u003e\n\u003cli\u003eCaterpillar 432E Backhoe Loader\u003c\/li\u003e\n\u003cli\u003eCaterpillar 434E Backhoe Loader\u003c\/li\u003e\n\u003cli\u003eCaterpillar 442E Backhoe Loader\u003c\/li\u003e\n\u003cli\u003eCaterpillar 444E Backhoe Loader\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\u003eBackhoe Loader Hydraulics\u003c\/li\u003e\n\u003cli\u003eConstruction and Earthmoving Equipment\u003c\/li\u003e\n\u003cli\u003eHeavy Duty Excavation Applications\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 420E, 430E, 432E, 434E, 442E, or 444E 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 420E, 430E, 432E, 434E, 442E, and 444E are widely used in construction and utility work — pump failure affects both the front loader bucket and rear backhoe digging performance simultaneously.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Does the 2672755 fit all six backhoe loader models?\u003c\/strong\u003e\u003cbr\u003eA: Yes, the 2672755 (267-2755) is designed as a direct OEM-compatible replacement for the CAT 420E, 430E, 432E, 434E, 442E, and 444E 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 on a backhoe loader?\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 for long pump life.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What type of hydraulic oil is recommended for the CAT 420E, 430E, 432E, 434E, 442E, and 444E?\u003c\/strong\u003e\u003cbr\u003eA: Caterpillar specifies Cat HYDO Advanced 10W or 30W depending on operating temperature. Backhoe loaders in construction 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 backhoe loader?\u003c\/strong\u003e\u003cbr\u003eA: Check the part number on your current pump — if it reads 2672755 or 267-2755, 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 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":"HEPUMP","offers":[{"title":"Default Title","offer_id":46955327455388,"sku":null,"price":0.0,"currency_code":"CNY","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0738\/7385\/0524\/files\/267-2755-piston-pump1.jpg?v=1779547456","url":"https:\/\/hepumpstore.com\/products\/piston-pump-267-2755","provider":"HEPUMP","version":"1.0","type":"link"}