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CAT 3182596 (318-2596) Gear Pump for Off-Highway Trucks | Fits 770 770G 772 772G 773GC

CAT 3182596 (318-2596) Gear Pump for Off-Highway Trucks | Fits 770 770G 772 772G 773GC

Premium hydraulic gear pump designed as a direct OEM-compatible replacement for Caterpillar (CAT) off-highway trucks, ensuring reliable hydraulic fluid flow and steady power transmission. Built to deliver optimal volumetric efficiency, high-pressure capability, and an extended service life in demanding mining, quarrying, and heavy haulage operations.

Product Highlights

  • Part Number: 3182596 / 318-2596
  • Direct Fit OEM Replacement: Form, fit, and function match original Caterpillar engineering specifications perfectly without requiring any modifications.
  • Heavy-Duty Construction: Manufactured with high-strength cast housing and wear-resistant precision gears to withstand continuous hydraulic pressure and heavy-load mining cycles.
  • Optimized Efficiency: Precision-machined internal gears minimize fluid bypass, ensure smooth hydraulic delivery, and maintain stable operating performance under harsh working conditions.

Technical Specifications

Parameter Specification
Part Number 3182596 / 318-2596
Product Type Heavy-Duty Hydraulic Gear Pump (Pump GP-Gear)
Brand Compatibility Caterpillar (CAT)
Application Main Hydraulic System & Auxiliary Functions
Material High-Strength Precision Alloys & Heavy-Duty Cast Iron
Warranty 12 Months Warranty

Compatible Models & Equipment

This premium gear pump is precision-engineered to fit the following Caterpillar off-highway trucks and equipment:

  • Caterpillar Off-Highway Trucks: 770 / 770G / 770G OEM
  • Caterpillar Off-Highway Trucks: 772 / 772G / 772G OEM
  • Caterpillar Off-Highway Trucks: 773GC

Key Applications

  • Off-Highway Truck Hydraulics: Powers essential hydraulic circuit operations, fluid circulation, and auxiliary system functions in haul trucks.
  • Mining & Quarry Haulage: Engineered to withstand harsh environments, heavy payload shocks, and continuous duty in open-pit mines and quarries.
  • System Flow Restoration: Restores adequate system pressure and fluid displacement back to OEM factory specifications.

Why Choose Our Aftermarket CAT Pumps?

  • Guaranteed OEM Quality: Manufactured under strict ISO 9001 quality standards to match or exceed original equipment performance and durability.
  • Cost-Effective Solution: Achieve premium dealer-level reliability and identical performance at a fraction of the OEM replacement price.
  • Ready to Ship: Kept in stock for immediate worldwide dispatch to reduce your machine's idle downtime significantly.
  • Industry-Leading Support: Backed by a full 1-year warranty and a team of professional heavy machinery hydraulic technical experts.

Frequently Asked Questions (FAQ)

Q: Is this gear pump a genuine Caterpillar part?

A: This is a premium-grade, OEM-compatible aftermarket replacement pump. It is engineered to exact CAT dimensional and technical standards, serving as a direct drop-in replacement for part number 318-2596.

Q: What is covered under the 12-month warranty?

A: Our 12-month warranty fully covers all manufacturing defects, material failures, and workmanship issues under standard and proper operating conditions.

Q: Does this pump come pre-lubricated or ready for direct installation?

A: The pump arrives ready for installation. We highly recommend standard system flushing and filling with fresh hydraulic oil before initial startup to protect internal precision components.

Q: How long does international shipping take?

A: In-stock orders are typically dispatched within 3–5 business days. We offer expedited shipping and global air freight options for emergency machine breakdown situations.


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