CAT 20R-3304 Hydraulic Piston Pump for 777G 777F 854K Mining Equipment

High Reliability

CAT 20R-3304 is designed for heavy-duty hydraulic systems with excellent durability and long service life.

Slipper Piston Design

The axial piston slipper structure provides:

  • Stable hydraulic output
  • High efficiency
  • Reduced internal wear
  • Smooth operation

Heavy-Duty Performance

Suitable for mining and construction environments requiring continuous operation and high power density.

Remanufactured Quality

Cat Reman pumps are rebuilt using engineering updates and tested against original specifications to provide reliable replacement performance

CAT 20R-3304 Hydraulic Pump Application Range

The CAT 20R-3304 hydraulic piston pump is a Cat Reman slipper-type piston pump designed for Caterpillar heavy-duty off-highway equipment. It provides hydraulic oil flow and pressure for operating hydraulic actuators, motors, steering systems, and brake circuits.

This pump is mainly used in large mining and construction machines that require reliable hydraulic power, high durability, and stable performance under continuous heavy-load operation.

1. Mining Truck Applications

The CAT 20R-3304 pump is widely applied in large mining transportation equipment, including:

  • Open-pit mining trucks
  • Quarry hauling trucks
  • Heavy-duty off-highway trucks
  • Material transportation equipment

It provides hydraulic power for critical vehicle functions such as:

  • Hydraulic steering
  • Brake systems
  • Hydraulic control circuits
  • Auxiliary hydraulic functions

Compatible Caterpillar equipment includes models such as CAT 777G, CAT 777F, and CAT 854K wheel dozer applications.


2. Heavy Construction Equipment

The pump is suitable for demanding construction environments where machines operate under:

  • High load conditions
  • Long working cycles
  • High vibration
  • Dust and extreme temperatures

Typical applications include:

  • Large earthmoving projects
  • Infrastructure construction
  • Mining support operations
  • Heavy material handling

3. Hydraulic Steering and Brake Systems

The 20R-3304 hydraulic pump is specially designed for systems requiring dependable hydraulic pressure.

Main functions:

  • Generate hydraulic flow for steering control
  • Supply pressure for braking systems
  • Maintain stable hydraulic response
  • Support safe machine operation

CAT 20R-3304 Hydraulic Pump Technical Parameters

Parameter Specification
Product Type Hydraulic Piston Pump
Part Number 20R-3304
Brand Caterpillar (CAT)
Product Series Cat Reman Hydraulic Pump
Pump Design Slipper Piston Pump
Pump Type Axial Piston Pump
Application System Steering & Brake Hydraulic System
Compatible Machines CAT 777G / 777F / 854K
Displacement Approx. 110 cc/rev
Rotation Direction Counter Clockwise (depending on configuration)
Hydraulic Circuit Open Circuit
Working Pressure High Pressure Hydraulic System
Control Type Fixed / System Controlled
Housing Material Heavy Duty Cast Iron
Hydraulic Medium Anti-wear Hydraulic Oil
Installation Direct Replacement Design
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