Cat

CAT 122-3401 Hydraulic Piston Pumps for Caterpillar backhoe loader 446 446B

HENGYUHANG Hydraulic Plunger Pump 259-0815 – Perfect Replacement for CAT Hydraulic Plunger Pump


Introduction to HENGYUHANG Hydraulic Plunger Pump


The HENGYUHANG hydraulic plunger pump 259-0815 is designed as a perfect replacement for CAT hydraulic plunger pumps, providing full OEM compatibility with reliable hydraulic performance. Manufactured according to strict quality standards, the HENGYUHANG hydraulic plunger pump ensures stable pressure output, high efficiency, and long service life in demanding working environments.


Key Features of HENGYUHANG Hydraulic Plunger Pump

  • Direct replacement for CAT 259-0815

  • OEM-level dimensions and mounting interface

  • High-pressure, high-efficiency output

  • Precision-machined plungers and cylinder block

  • Stable performance under 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 RateMatched to CAT system requirements
Rotation SpeedOEM compatible
Mounting TypeStandard CAT mounting flange
Hydraulic OilMineral hydraulic oil
Operating Temperature-20°C to +90°C

The HENGYUHANG hydraulic plunger pump delivers stable and efficient hydraulic power even in harsh operating environments.


2.Functions of a Hydraulic Plunger Pump

A hydraulic plunger pump plays a critical role in hydraulic systems by converting mechanical energy into hydraulic energy. The HENGYUHANG hydraulic plunger pump provides the following functions:

  • Generates stable high-pressure hydraulic flow

  • Maintains consistent hydraulic system performance

  • Supports precise motion and load control

  • Improves overall system efficiency

With optimized internal structure and precision manufacturing, the HENGYUHANG hydraulic plunger pump ensures high volumetric efficiency and reduced energy loss.


3.Application Industries of HENGYUHANG Hydraulic Plunger Pump

The HENGYUHANG hydraulic plunger pump 122-3401 is widely applied in industries that rely on CAT hydraulic plunger pumps, including:

  • Construction machinery (excavators, loaders, bulldozers)

  • Mining and quarry equipment

  • Road construction and infrastructure machinery

  • Industrial hydraulic power units

  • Material handling and lifting equipment

Wherever CAT hydraulic plunger pumps are used, the HENGYUHANG hydraulic plunger pump can serve as a dependable replacement.


4.Advantages and Disadvantages of CAT Hydraulic Plunger Pumps

Advantages of CAT Hydraulic Plunger Pumps

  • Strong global brand recognition

  • 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 and maintenance

  • Long delivery lead times

  • High total cost of ownership

These disadvantages encourage many customers to choose high-quality alternatives such as the HENGYUHANG hydraulic plunger pump.


5.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 122-3401 precisely matches CAT specifications and allows direct replacement without system modification.

2. Cost-Effective Solution

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

3. High Reliability and Long Service Life

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

4. Fast Delivery and Stable Supply

The HENGYUHANG hydraulic plunger pump offers flexible production capacity and shorter lead times than CAT original parts.

5. Strict Quality Control

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


For global customers seeking a reliable alternative to CAT original parts, the HENGYUHANG hydraulic plunger pump provides an ideal balance of quality, durability, and value.


6.Benefits of Choosing HENGYUHANG Hydraulic Plunger Pump

By choosing the HENGYUHANG hydraulic plunger pump, customers gain:

  • Reduced total operating and maintenance costs

  • Stable and efficient hydraulic system performance

  • Shorter equipment downtime

  • Easy installation and maintenance

  • Professional technical and after-sales support

The HENGYUHANG hydraulic plunger pump is not just a replacement—it is a cost-efficient upgrade for CAT hydraulic systems.


7.Conclusion

The HENGYUHANG hydraulic plunger pump 122-3401 is a perfect replacement for CAT hydraulic plunger pumps, combining OEM compatibility, reliable performance, and excellent cost efficiency. Designed for construction, mining, and industrial applications, the HENGYUHANG hydraulic plunger pump helps customers optimize hydraulic systems while lowering total ownership costs.

If you are looking 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