OEM CAT 10R-3805 Hydraulic Pump for Motor Grader 143H 160H 120H

  • Variable displacement axial piston design
  • High efficiency hydraulic power transmission
  • Excellent flow stability under changing loads
  • Strong durability for heavy construction equipment
  • Low noise and smooth operation
  • Precision-machined internal components
  • Direct replacement for CAT OEM hydraulic pump
  • Suitable for remanufacturing and replacement applications

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Application Range

The CAT 10R-3805 Hydraulic Pump is a high-performance variable displacement axial piston pump designed for Caterpillar motor grader hydraulic systems. It converts mechanical power from the engine into hydraulic energy to provide stable oil flow and pressure for machine operation.

This hydraulic pump is mainly applied in:

Motor Grader Applications

Compatible with Caterpillar motor graders including:

  • CAT 120H Motor Grader
  • CAT 12H Motor Grader
  • CAT 135H Motor Grader
  • CAT 140H Motor Grader
  • CAT 143H Motor Grader
  • CAT 160H Motor Grader
  • CAT 163H Motor Grader

Hydraulic System Applications

  • Blade lifting and positioning system
  • Steering hydraulic circuit
  • Ripper and attachment hydraulic control
  • Circle drive system
  • Heavy-duty grading operations

Working Environments

  • Road construction
  • Highway maintenance
  • Mining site leveling
  • Earthmoving projects
  • Heavy-duty construction operations

The pump is designed for applications requiring:

  • High pressure capability
  • Stable flow output
  • Fast response
  • Long service life
  • Reliable operation under continuous load conditions

Technical Parameters

Parameter Specification
Brand Caterpillar (CAT)
Part Number 10R-3805
Replacement Number 169-4883
Product Type Hydraulic Pump Assembly
Pump Design Variable Displacement Axial Piston Pump
Pump Type Slipper Piston Pump
Hydraulic Circuit Open Circuit
Application Motor Grader Hydraulic System
Control Type Pressure / Flow Compensated Control
Displacement Approx. 28 L/min class
Working Pressure High Pressure Hydraulic System
Maximum Pressure Approx. 300–350 bar (application dependent)
Rotation Direction OEM Specification
Hydraulic Oil Mineral Hydraulic Oil
Housing Material Cast Iron
Mounting Type Direct OEM Replacement
Length Approx. 290 mm (11.42 in)
Height Approx. 198 mm (7.8 in)
Weight Approx. 45–55 kg

CATERPILLAR – REXROTH REPLACEMENTS

OEM OEM NEW # OEM REMAN #
CAT 1863732 10R-2910
CAT 1963807 10R-2913
CAT 2093258 10R-3006
CAT 2155721 10R-3619
CAT 2283636 10R-4506
CAT 2352716 10R-7394
CAT 2545147 10R-7698
CAT 1559248 0R-7490
CAT 1694883 10R-3805
CAT 2021335 10R-0544
CAT 1083028 0R-8361
CAT 1110364 0R-8670
CAT 1113727 0R-8674
CAT 1131990 0R-0901
CAT 1131991 0R-0874
CAT 1140602 0R-8102
CAT 1140603 0R-8672
CAT 1140604 0R-8620
CAT 1221206 0R-0913
CAT 1228068 0R-8363
CAT 1231993 0R-9331
CAT 1232229 0R-9332
CAT 1232231 0R-9333
CAT 1235259 0R-7322
CAT 1235260 0R-9326
CAT 1262046 0R-8106
CAT 1278333 10R-0520
CAT 1283219 0R-9324
CAT 1284325 0R-7998
CAT 1295348 0R-0850
CAT 1301809 0R-9642
CAT 1302447 0R-7410
CAT 1342947 10R-0857
CAT 1347307 0R-8669
CAT 1353260 0R-9315
CAT 1353261 0R-9316
CAT 1358863 0R-8507
CAT 1358864 0R-7413
CAT 1358865 0R-7414

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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