0R-0855 Caterpillar Hydraulic Main Pump for Wheel Loader 966G 972G

  • Variable displacement axial piston technology for efficient hydraulic power control
  • High-pressure capability suitable for heavy loading operations
  • Excellent volumetric efficiency for stable machine performance
  • Durable rotating group design for extended service life
  • Precision manufacturing ensures smooth operation and reduced vibration
  • Direct replacement for CAT hydraulic systems
  • Cost-effective alternative compared with purchasing a new pump

CAT hydraulic pumps are designed to match machine requirements, improving hydraulic system reliability, efficiency, and productivity.

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Application Range

The CAT 0R-0855 Hydraulic Pump is a high-performance variable displacement axial piston pump developed for Caterpillar wheel loaders. It converts mechanical energy from the engine into hydraulic power, providing pressurized oil flow for the machine’s hydraulic working system.

Main Applications:

  • Wheel Loaders
  • Earthmoving Equipment
  • Mining Support Machinery
  • Construction Machinery
  • Material Loading Equipment
  • Heavy-Duty Off-Road Equipment

Compatible Caterpillar Machines:

  • CAT 966G Wheel Loader
  • CAT 972G Wheel Loader

Hydraulic System Applications:

  • Lift arm raising and lowering
  • Bucket loading and dumping operations
  • Hydraulic steering system
  • Implement control circuits
  • Auxiliary hydraulic functions

The pump is designed for demanding working environments requiring:

  • High-pressure hydraulic performance
  • Stable flow output
  • Long continuous operating hours
  • High mechanical durability
  • Reduced maintenance downtime

Technical Parameters

Parameter Specification
Part Number 0R-0855
Brand Caterpillar (CAT Reman)
Product Type Hydraulic Piston Pump
Pump Design Axial Piston Pump
Displacement Type Variable Displacement
Control Type Hydraulic Control
Application Wheel Loader Hydraulic System
Compatible Models CAT 966G / 972G
Hydraulic Function Main Hydraulic Power Supply
Working Medium Anti-wear Hydraulic Oil
Pump Structure Swash Plate Axial Piston Design
Operation Heavy-Duty Mobile Hydraulic System
Replacement Type Direct OEM Replacement
Length Approx. 10.8 in (274 mm)
Height Approx. 8.3 in (211 mm)
Reman Standard Cat Reman Factory Specification
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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