OEM 20R-3306 CAT Piston Pump for 769D 773D 775D Mining Trucks

  • High-pressure hydraulic performance
    Designed to deliver reliable hydraulic power for heavy-duty Caterpillar machines.
  • Variable displacement control
    Automatically adjusts output flow according to system demand, improving fuel efficiency and reducing unnecessary power loss.
  • Heavy-duty construction
    Built with durable piston assemblies, precision-machined components, and robust bearings for long operating life.
  • Excellent reliability in harsh environments
    Suitable for mining sites, quarry operations, and extreme working conditions.
  • Remanufactured to OEM specifications
    CAT Reman hydraulic pumps are rebuilt using updated engineering processes and tested to meet original performance standards.
  • Reduced maintenance cost
    Provides a cost-effective alternative to purchasing a new hydraulic pump while maintaining dependable performance.

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Application Range

The CAT 20R-3306 Hydraulic Piston Pump is a high-performance variable displacement axial piston pump designed for heavy-duty Caterpillar off-highway equipment. It converts mechanical power from the engine or transmission system into hydraulic energy, providing high-pressure hydraulic oil flow for vehicle control, steering, braking, and auxiliary hydraulic functions.

This hydraulic pump is widely used in demanding applications including:

  • Mining dump trucks
  • Quarry transportation equipment
  • Off-highway trucks
  • Heavy construction machinery
  • Earthmoving equipment
  • Petroleum and industrial transport equipment

Compatible Caterpillar models include:

  • CAT 769D Off-Highway Truck
  • CAT 771D Quarry Truck
  • CAT 773D Off-Highway Truck
  • CAT 775D Mining Truck
  • CAT TH48-E70 Petroleum Transmission System

The pump is engineered for harsh working environments where high reliability, continuous operation, and excellent hydraulic efficiency are required. It provides stable hydraulic pressure output under heavy loads, helping improve machine productivity, reduce downtime, and extend service life.

Technical Parameters

Item Specification
Product Type Variable Displacement Axial Piston Hydraulic Pump
Part Number 20R-3306
Brand Caterpillar (CAT) Reman
Pump Design Swash Plate Axial Piston Pump
Displacement Type Variable Displacement
Pump Structure Slipper Piston Design
Hydraulic Function Converts mechanical power into hydraulic flow and pressure
Application Heavy-duty mobile hydraulic systems
Compatible Equipment CAT 769D / 771D / 773D / 775D Trucks
Length Approx. 15.55 in (395 mm)
Height Approx. 9.6 in (244 mm)
Operating Environment Mining, quarry, construction, petroleum applications
Performance Features High pressure capability, high efficiency, long service life
OEM OEM NEW # OEM REMAN #
CAT 1966098 10R-3086
CAT 2290102 10R-7391
CAT 2141098 10R-7435
CAT 1656767 0R-7949
CAT 3799740 20R-0098
CAT 2244432 10R-4355
CAT 2191965 10R-4648
CAT 2615630 20R-3304
CAT 1003259 0R-9645
CAT 1616634 0R-7793
CAT 1809588 10R-0532
CAT 2246369 10R-2914
CAT 2354109 10R-8695
CAT 2354110 10R-8696
CAT 2442228 10R-8700
CAT 1454878 10R-0555
CAT 1725637 10R-0552
CAT 1689027 0R-0858
CAT 2290099 10R-7388
CAT 2350843 10R-7393
CAT 1094197 0R-7472
CAT 1316006 0R-7476
CAT 1408886 0R-0861
CAT 1522914 10R-6681
CAT 1785195 20R-3306
CAT 1902279 0R-0912
CAT 1946800 20R-3301
CAT 2141097 10R-7434
CAT 2191964 10R-0537
CAT 2244430 10R-6866
CAT 2321835 10R-9089
CAT 2402647 10R-6888
CAT 2497013 20R-0114
CAT 1569084 20R-3311
CAT 1575909 0R-0855
CAT 1959097 20R-3308
CAT 1955237 10R-0538
CAT 1527767 0R-0863
CAT 1527768 0R-0864

A: We are factory and trading company.

A: Generally it is 3-5 days if the goods are in stock. Or it is 15-20 days if the goods are not in stock, it is according to quantity.

A: We can provide samples, but not for free.

A: Payment<=1000USD, 100% in advance. Payment>=1000USD, 30% T/T in advance ,balance before shippment.

If you have more questions, pls feel free to contact us as below:

sales@bailehydraulic.com

WeChat/WhatsApp：0086 18060096097

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