0R-7490 Caterpillar 345B Hydraulic Pump Replacement

  • High-pressure performance for demanding excavation applications
  • Variable displacement control for improved hydraulic efficiency
  • Excellent load response and precise machine control
  • Heavy-duty design for mining and construction environments
  • Long service life with wear-resistant internal components
  • Direct replacement for original CAT hydraulic pump
  • Reliable performance under continuous operation

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Application Range

The CAT 0R-7490 Hydraulic Pump is a variable displacement axial piston pump designed for heavy-duty hydraulic systems in Caterpillar construction machinery. It provides high-pressure hydraulic power for main drive circuits, supporting efficient operation, precise control, and reliable performance under demanding working conditions.

This hydraulic pump is mainly used in Caterpillar excavators and heavy construction equipment, including applications such as:

  • Crawler Excavators
    • Hydraulic main pump system
    • Boom, arm, and bucket operation
    • Swing and travel drive circuits
    • High-pressure hydraulic power supply
  • Mining & Earthmoving Equipment
    • Heavy excavation operations
    • Quarrying and mining applications
    • Continuous-duty hydraulic systems
  • Construction Machinery
    • Foundation work equipment
    • Large-scale earthmoving projects
    • Material handling machinery

The CAT 0R-7490 pump is suitable for machines requiring high flow output, stable pressure control, and excellent durability, making it ideal for harsh environments including mining sites, construction projects, and heavy-duty industrial operations.

Technical Parameters

Parameter Specification
Brand Caterpillar (CAT)
Part Number 0R-7490
Product Type Hydraulic Main Pump
Pump Design Variable Displacement Axial Piston Pump
Hydraulic System Open Circuit Hydraulic System
Displacement Type Variable Displacement
Pump Structure Swash Plate Axial Piston Design
Application Excavators & Heavy Construction Equipment
Control Type Hydraulic / Pressure Compensated Control (depending on configuration)
Working Pressure High Pressure Hydraulic System
Maximum Pressure Approx. 350–400 bar (depending on machine configuration)
Rotation Direction According to OEM specification
Fluid Type Mineral Hydraulic Oil
Recommended Filtration High-efficiency hydraulic filtration system
Material High-strength alloy housing with precision-machined internal components
Installation Direct OEM replacement
Condition Remanufactured / Replacement Unit Available
Weight Approx. 60 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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