CAT 10R-4355 Axial Piston Pump for Caterpillar 735 740 Articulated Dump Truck

  • High-pressure capability: Designed for demanding heavy equipment hydraulic systems.
  • Variable displacement control: Automatically adjusts oil flow according to hydraulic demand.
  • Excellent durability: Heavy-duty components provide long service life in mining and construction applications.
  • High efficiency: Reduces power loss and improves overall machine performance.
  • Strong contamination resistance: Suitable for harsh working environments.
    • Easy replacement: Direct replacement for CAT original hydraulic pump assemblies.
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CAT 10R-4355 Hydraulic Pump Application Range

The CAT 10R-4355 hydraulic pump is a high-performance variable displacement axial piston pump designed for Caterpillar heavy-duty construction and mining equipment. It is engineered to provide reliable hydraulic power under extreme working conditions, including high loads, continuous operation, vibration, and harsh outdoor environments.

This hydraulic pump is mainly applied in Caterpillar articulated dump trucks, especially models such as CAT 735 and CAT 740 series trucks, where it plays an important role in supplying hydraulic power for vehicle control and auxiliary hydraulic systems.

Main Application Areas:

1. Mining and Quarry Equipment

The 10R-4355 pump is widely used in mining transportation equipment where high reliability and continuous hydraulic performance are required. It supports heavy-duty operations such as:

  • Open-pit mining transportation
  • Quarry material handling
  • Rock and ore transportation
  • Large-scale earthmoving projects

The pump provides stable hydraulic flow and pressure for equipment operating under severe conditions.

2. Articulated Dump Trucks

In articulated dump trucks, the hydraulic pump provides power for multiple hydraulic functions, including:

  • Dump body lifting and lowering
  • Hydraulic steering system
  • Brake hydraulic circuits
  • Cooling fan drive systems
  • Auxiliary hydraulic functions

Its variable displacement design allows the hydraulic system to automatically adjust flow output according to load demand, improving fuel efficiency and reducing energy loss.

3. Construction and Infrastructure Equipment

The pump is suitable for heavy construction applications including:

  • Highway construction
  • Large foundation projects
  • Dam and tunnel construction
  • Large earthmoving operations

The robust design ensures stable performance even in dusty, high-temperature, and high-vibration environments.

4. Heavy Machinery Maintenance and Remanufacturing

The CAT 10R-4355 hydraulic pump is also commonly used as a replacement component for equipment repair and hydraulic system rebuilding. It is suitable for:

  • Hydraulic pump replacement
  • Equipment refurbishment
  • Remanufacturing projects
  • Aftermarket maintenance solutions

CAT 10R-4355 Hydraulic Pump Technical Parameters

Parameter Specification
Product Type Variable Displacement Axial Piston Pump
Part Number 10R-4355
OEM Reference 224-4432
Brand Caterpillar (CAT)
Pump Design Swash Plate Axial Piston Design
Displacement Approx. 180–250 cc/rev (configuration dependent)
Operating Pressure High-pressure hydraulic system
Maximum Pressure Approx. 350–400 bar (system dependent)
Control Type Pressure / Load Sensing Control
Rotation Direction Clockwise / Counterclockwise (depending on configuration)
Hydraulic Medium Anti-wear hydraulic oil
Housing Material High-strength cast iron
Drive Type Direct mechanical drive
Application System Open hydraulic circuit
Efficiency High volumetric and mechanical efficiency
Working Temperature Approx. -20°C to +90°C
Installation Heavy equipment hydraulic power unit
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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