Cat

CAT 244-2228 10R-8770 Hydraulic Piston Pumps for Caterpillar Excavator 420D 430D

HENGYUHANG Hydraulic Plunger Pump 244-2228 & 10R-8770 – Perfect Replacement for CAT Hydraulic Plunger Pumps


Introduction to HENGYUHANG Hydraulic Plunger Pump


The HENGYUHANG hydraulic plunger pump models 244-2228 and 10R-8770 are specifically designed to be a perfect replacement for CAT hydraulic plunger pumps. With identical mounting dimensions, matched hydraulic performance, and stable operating characteristics, the HENGYUHANG hydraulic plunger pump ensures seamless installation and reliable long-term operation.


Key Features of HENGYUHANG Hydraulic Plunger Pump

  • 100% interchangeable with CAT 244-2228 and 10R-8770

  • Direct bolt-on installation

  • High-pressure and high-efficiency output

  • Excellent wear resistance and durability

  • Strict quality inspection before shipment

Description

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 Flow RateOEM-matched, high efficiency
Rotational SpeedCompatible with CAT systems
Mounting InterfaceStandard CAT flange
Hydraulic MediumMineral hydraulic oil
Operating Temperature-20°C to +90°C

Each HENGYUHANG hydraulic plunger pump is fully tested for pressure, flow, and leakage to ensure stable performance.


Functions of a Hydraulic Plunger Pump

A hydraulic plunger pump is a critical component in hydraulic systems, converting mechanical energy into hydraulic energy. The HENGYUHANG hydraulic plunger pump performs the following key functions:

  • Supplies stable high-pressure hydraulic oil

  • Ensures precise and continuous flow control

  • Supports efficient power transmission

  • Enables reliable operation of heavy machinery

With precision-machined internal components, the HENGYUHANG hydraulic plunger pump achieves high volumetric efficiency and low internal leakage.


Application Industries of HENGYUHANG Hydraulic Plunger Pump

The HENGYUHANG hydraulic plunger pump 244-2228 and 10R-8770 are widely used in:

  • Construction machinery (excavators, loaders, bulldozers)

  • Mining and quarry equipment

  • Road construction and infrastructure machinery

  • Industrial hydraulic systems

  • Agricultural and forestry machinery

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


Advantages and Disadvantages of CAT Hydraulic Plunger Pumps

Advantages of CAT Hydraulic Plunger Pumps

  • Strong global brand reputation

  • Proven reliability in extreme working conditions

  • Extensive dealer and service network

Disadvantages of CAT Hydraulic Plunger Pumps

  • High purchase and replacement cost

  • Expensive spare parts

  • Long delivery lead times

  • High total cost of ownership

These disadvantages encourage many users to look for reliable alternatives.


Why Choose HENGYUHANG Hydraulic Plunger Pump?

The HENGYUHANG hydraulic plunger pump is developed to overcome the cost and supply limitations of CAT original pumps while maintaining OEM-level performance.

Advantages of HENGYUHANG Hydraulic Plunger Pump

1. Perfect OEM Compatibility

The HENGYUHANG hydraulic plunger pump 244-2228 and 10R-8770 match CAT specifications and allow direct replacement without system changes.

2. Cost-Effective Solution

Customers can significantly reduce procurement and maintenance costs while maintaining stable hydraulic performance.

3. High Reliability and Long Service Life

High-strength materials, hardened plungers, and optimized sealing systems ensure durability.

4. Fast Delivery and Stable Supply

Compared to CAT pumps, the HENGYUHANG hydraulic plunger pump offers shorter lead times and flexible inventory support.

5. Strict Quality Control

Each HENGYUHANG hydraulic plunger pump undergoes comprehensive inspection and testing before shipment.


For customers seeking a high-quality and cost-effective alternative to CAT hydraulic plunger pumps, the HENGYUHANG hydraulic plunger pump provides an excellent solution without compromising performance or durability.


Benefits of Choosing HENGYUHANG Hydraulic Plunger Pump

By choosing the HENGYUHANG hydraulic plunger pump, customers benefit from:

  • Lower total operating costs

  • Stable and efficient hydraulic performance

  • Reduced machine downtime

  • Easy installation and maintenance

  • Professional technical and after-sales support

The HENGYUHANG hydraulic plunger pump is not only a replacement, but a smart and economical upgrade.


Conclusion

The HENGYUHANG hydraulic plunger pump 244-2228 and 10R-8770 provide a perfect replacement for CAT hydraulic plunger pumps, combining OEM compatibility, reliable performance, and excellent cost efficiency. Widely used in construction, mining, and industrial applications, the HENGYUHANG hydraulic plunger pump helps customers optimize hydraulic systems while reducing total ownership costs.

If you are searching for a trusted CAT replacement hydraulic plunger pump, the HENGYUHANG hydraulic plunger pump is the 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