Cat

CAT 9T-6857 0R-4218 Hydraulic Piston Pumps for Caterpillar 428 416 Excavator

HENGYUHANG Hydraulic Plunger Pump 9T-6857 & 0R-4218 – Perfect Replacement for CAT Hydraulic Plunger Pump


Introduction to HENGYUHANG Hydraulic Plunger Pump


The HENGYUHANG hydraulic plunger pump 9T-6857 and 0R-4218 is engineered as a perfect replacement for CAT hydraulic plunger pump, providing OEM-level compatibility, stable hydraulic output, and excellent durability. Designed for heavy-duty hydraulic systems, the HENGYUHANG hydraulic plunger pump delivers consistent pressure and reliable flow performance while helping customers reduce overall operating and maintenance costs.


Product Overview: HENGYUHANG Hydraulic Plunger Pump 9T-6857 & 0R-4218


The HENGYUHANG hydraulic plunger pump 9T-6857 and 0R-4218 is manufactured strictly according to CAT OEM technical standards. It supports direct installation without any modification, allowing fast replacement and minimizing equipment downtime.


Key Features of HENGYUHANG Hydraulic Plunger Pump

  • Direct replacement for CAT 9T-6857 and 0R-4218

  • OEM-standard dimensions and mounting interface

  • High-pressure and high-efficiency hydraulic performance

  • Precision-machined plungers and cylinder block

  • Stable operation under continuous heavy-duty conditions

Description

1.Technical Parameters of HENGYUHANG Hydraulic Plunger Pump

Typical technical specifications of the HENGYUHANG hydraulic plunger pump include:

ParameterSpecification
Pump TypeAxial hydraulic plunger pump
Rated PressureUp to 35 MPa
Maximum PressureUp to 40 MPa
Flow RateOEM matched
Rotation SpeedCompatible with CAT hydraulic systems
Mounting TypeStandard CAT mounting flange
Hydraulic OilMineral hydraulic oil
Operating Temperature-20°C to +90°C

The HENGYUHANG hydraulic plunger pump ensures high volumetric efficiency and stable hydraulic output under demanding working conditions.


2.Functions of a Hydraulic Plunger Pump

A hydraulic plunger pump converts mechanical energy into hydraulic energy. The HENGYUHANG hydraulic plunger pump performs the following key functions:

  • Supplies stable high-pressure hydraulic oil

  • Maintains smooth and continuous hydraulic flow

  • Enables precise control of hydraulic actuators

  • Improves overall hydraulic system efficiency

Thanks to its optimized internal structure, the HENGYUHANG hydraulic plunger pump minimizes internal leakage and energy loss.


3.Application Industries of HENGYUHANG Hydraulic Plunger Pump

The HENGYUHANG hydraulic plunger pump 9T-6857 and 0R-4218 is widely used in various industries where CAT hydraulic plunger pumps are installed, including:

  • Construction machinery (excavators, loaders, bulldozers)

  • Mining and quarry equipment

  • Road construction and earthmoving machinery

  • Industrial hydraulic power units

  • Material handling and lifting equipment

Wherever CAT hydraulic plunger pumps are used, the HENGYUHANG hydraulic plunger pump can be applied as a direct replacement.


4.Advantages and Disadvantages of CAT Hydraulic Plunger Pumps

Advantages of CAT Hydraulic Plunger Pumps

  • Strong global brand reputation

  • Proven performance in extreme working environments

  • Extensive global service network

Disadvantages of CAT Hydraulic Plunger Pumps

  • High purchase and replacement cost

  • Expensive spare parts and maintenance

  • Long delivery lead times

  • High total cost of ownership

These disadvantages lead many customers to choose the HENGYUHANG hydraulic plunger pump as a practical alternative.


5.Why Choose HENGYUHANG Hydraulic Plunger Pump?

The HENGYUHANG hydraulic plunger pump is developed to match CAT OEM performance while offering superior economic value and flexible supply capability.

Advantages of HENGYUHANG Hydraulic Plunger Pump

1. Perfect OEM Compatibility

The HENGYUHANG hydraulic plunger pump 9T-6857 and 0R-4218 precisely matches CAT specifications and allows direct installation.

2. Cost-Effective Replacement

Compared with CAT original pumps, the HENGYUHANG hydraulic plunger pump significantly reduces procurement and long-term operating costs.

3. High Reliability and Long Service Life

High-strength materials, precision machining, and optimized sealing systems ensure durability under continuous heavy-duty operation.

4. Fast Delivery and Stable Supply

The HENGYUHANG hydraulic plunger pump offers shorter lead times and stable availability compared to CAT OEM parts.

5. Strict Quality Control

Each HENGYUHANG hydraulic plunger pump is tested for pressure, flow, and leakage before shipment.


6.Benefits of Choosing HENGYUHANG Hydraulic Plunger Pump

By choosing the HENGYUHANG hydraulic plunger pump, customers gain:

  • Reduced equipment downtime

  • Lower total cost of ownership

  • Stable and efficient hydraulic system performance

  • Easy installation and maintenance

  • Professional technical and after-sales support

The HENGYUHANG hydraulic plunger pump is not just a replacement—it is a smart and economical upgrade for CAT hydraulic systems.


7.Conclusion

The HENGYUHANG hydraulic plunger pump 9T-6857 and 0R-4218 is a perfect replacement for CAT hydraulic plunger pump, combining OEM compatibility, stable performance, and excellent cost efficiency. It is widely used in construction, mining, and industrial hydraulic applications.

If you are searching for a reliable CAT replacement hydraulic plunger pump, the HENGYUHANG hydraulic plunger pump is your ideal choice.

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HENGYUHANG Power Technology Co., LTD

Location

No. 173, Xiacuo, Sihuang Village, Xiamei Town, Nan 'an City, Fujian Province

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+86 19918575358

WhatsApp Email +86 19918575358