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CAT 8J8813 (8J-8813) Gear Pump for 910 Wheel Loader | Main Hydraulic Pump

CAT 8J8813 (8J-8813) Gear Pump for 910 Wheel Loader | Main Hydraulic Pump

Premium hydraulic gear pump designed as a direct OEM-compatible replacement for Caterpillar (CAT) 910 Wheel Loaders, ensuring reliable fluid power and consistent system pressure. Engineered for heavy-duty earthmoving tasks, this high-performance gear pump delivers optimal volumetric efficiency and a prolonged service life to keep your construction machinery running smoothly.

Product Highlights

  • Part Number: 8J8813 / 8J-8813
  • Direct Fit OEM Replacement: Form, fit, and function match original Caterpillar engineering specifications perfectly, ensuring a seamless drop-in installation without any modifications.
  • Heavy-Duty Construction: Manufactured with high-strength anti-wear cast iron housing and precision-engineered gears to withstand intense continuous hydraulic pressures.
  • Optimized Efficiency: Advanced pressure-balanced design minimizes internal leakage, reduces operating friction, and lowers fuel consumption for your loader.

Technical Specifications

Parameter Specification
Part Number 8J8813 / 8J-8813
Product Type Heavy-Duty Hydraulic Gear Pump
Brand Compatibility Caterpillar (CAT)
Primary Application Caterpillar 910 Main Hydraulic & Steering System
Material High-Strength Precision Cast Iron & Alloy Gears
Warranty 12 Months Warranty

Compatible Models & Equipment

This premium replacement gear pump is precision-engineered specifically to fit the following Caterpillar heavy equipment:

  • Caterpillar (CAT) 910 Wheel Loader

Key Applications

  • Wheel Loader Bucket & Steering Hydraulics: Powers essential lifting, tilting, dumping, and articulated steering response workflows.
  • Earthmoving & Construction Support: Built to endure rigorous daily duty cycles in harsh quarry, construction, and agricultural material handling environments.
  • Hydraulic System Overhaul: The ideal replacement part to eliminate slow cycle times, weak lifting capacity, or pump whining caused by an aging original pump.

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 8J-8813.

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 CAT 910 pump come ready for direct installation?

A: Yes, the pump arrives fully assembled and ready for installation. We highly recommend standard hydraulic 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.


Explore our full range of heavy-duty hydraulic pumps:
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