CAT 3137770 (313-7770) Fuel Transfer Pump for 3508 3512 3516 Engines | Fits D11R 994
CAT 3137770 (313-7770) Fuel Transfer Pump for 3508 3512 3516 Engines | Fits D11R 994
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Premium fuel transfer pump designed as a direct OEM-compatible replacement for Caterpillar (CAT) heavy-duty 3500-series engines and large mining machinery. Precision-engineered to deliver steady fuel pressure and optimal flow rates, ensuring reliable fuel delivery, rapid engine priming, and peak combustion efficiency under severe operating conditions.
Product Highlights
- Part Number: 3137770 / 313-7770
- Direct Fit OEM Replacement: Form, fit, and mounting dimensions match original Caterpillar engineering specifications perfectly without requiring any system modifications.
- Heavy-Duty Construction: Built with high-strength alloy housings, wear-resistant internal gears, and heavy-duty shaft seals engineered to withstand continuous fuel pressure and harsh operating environments.
- Optimized Engine Efficiency: Delivers precise fuel transfer rates to maintain stable line pressure, reducing fuel starvation risk and protecting sensitive fuel injectors.
Technical Specifications
| Parameter | Specification |
|---|---|
| Part Number | 3137770 / 313-7770 |
| Product Type | Heavy-Duty Engine Fuel Transfer Pump |
| Brand Compatibility | Caterpillar (CAT) |
| Engine Compatibility | CAT 3508 / 3512 / 3516 Series (B, C, E & Petroleum) |
| Material | High-Strength Precision Alloy Body & Hardened Shafts |
| Warranty | 12 Months Warranty |
Compatible Models & Equipment
This premium fuel transfer pump is engineered to fit a wide range of Caterpillar heavy machinery and power systems:
- Caterpillar Engines: 3508, 3508B, 3512, 3512B, 3512C, 3512E, 3516, 3516B, 3516C, 3516E, 3508/3512/3516 Petroleum Engines
- Large Track-Type Tractors: D11N, D11R, 11U, 11SU
- Wheel Loaders & Dozers: 992G, 994, 994D, 994F, 854G
- Mining Excavators & Shovels: 5130, 5130B, 5230, 5230B
Key Applications
- Engine Fuel Feed System: Draws fuel from the storage tank and delivers it under steady low pressure to the fuel injection system.
- Mining & Heavy Earthmoving: Built for continuous operation in ultra-heavy mining equipment, power generators, and petroleum rigs.
- System Pressure Restoration: Solves difficult engine starting, fuel starvation under heavy loads, and power loss caused by worn OEM transfer pumps.
Why Choose Our Aftermarket CAT Fuel Pumps?
- Guaranteed OEM Quality: Manufactured under strict ISO 9001 quality standards to match or exceed original Caterpillar specifications and durability.
- Cost-Effective Reliability: Get original-equipment performance and exact drop-in fitment at a competitive aftermarket price.
- Ready to Ship: Kept in stock for immediate worldwide express dispatch to reduce costly equipment downtime.
- Expert Technical Support: Backed by a full 1-year warranty and supported by our technical experts specializing in heavy diesel engines.
Frequently Asked Questions (FAQ)
Q: Is this fuel transfer pump a genuine Caterpillar part?
A: This is a premium-grade, OEM-compatible aftermarket replacement fuel transfer pump. It is engineered to exact CAT dimensional and technical standards, serving as a direct drop-in replacement for part number 313-7770.
Q: What is covered under the 12-month warranty?
A: Our 12-month warranty covers all manufacturing defects, material failures, and mechanical faults under normal operating conditions.
Q: Should I replace fuel filters when installing this transfer pump?
A: Yes, replacing primary and secondary fuel filters and inspecting the fuel line for contamination during pump installation is strongly recommended to ensure clean fuel delivery and maximum pump longevity.
Q: How long does international shipping take?
A: In-stock orders are typically dispatched within 3–5 business days. Expedited air freight options are available for urgent equipment breakdowns.
Need a Quote for CAT 3137770?
Contact us today for the latest pricing, bulk order discounts, and global delivery availability.
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