Cat

CAT 155-5109 Hydraulic Piston Pumps for Caterpillar Excavator Models 416C, 426C, 428C, 436C

HENGYUHANG Hydraulic Plunger Pump 155-5109 – Perfect Replacement for CAT Hydraulic Plunger Pump


Introduction to HENGYUHANG Hydraulic Plunger Pump


The HENGYUHANG hydraulic plunger pump 155-5109 is professionally engineered to serve as a perfect replacement for CAT hydraulic plunger pumps. Manufactured in accordance with OEM specifications, the HENGYUHANG hydraulic plunger pump offers identical mounting dimensions, matched hydraulic performance, and stable operation in demanding working environments.


Key Features of HENGYUHANG Hydraulic Plunger Pump

  • 100% interchangeable with CAT 155-5109

  • Direct bolt-on installation

  • High-pressure and high-efficiency hydraulic output

  • Precision-machined internal components

  • Strict factory inspection and performance testing

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


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


2.Functions of a Hydraulic Plunger Pump

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

  • Supplies stable high-pressure hydraulic oil

  • Ensures precise and continuous flow control

  • Maintains efficient power transmission

  • Supports reliable operation of heavy machinery

With advanced design and precision manufacturing, the HENGYUHANG hydraulic plunger pump delivers high volumetric efficiency and long service life.


3.Application Industries of HENGYUHANG Hydraulic Plunger Pump

The HENGYUHANG hydraulic plunger pump 155-5109 is widely used in:

  • Construction machinery (excavators, loaders, bulldozers)

  • Mining and quarry equipment

  • Road construction and infrastructure machinery

  • Industrial hydraulic systems

  • Agricultural and material handling equipment

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


4.Advantages and Disadvantages of CAT Hydraulic Plunger Pumps

Advantages of CAT Hydraulic Plunger Pumps

  • Strong global brand reputation

  • Proven reliability in harsh operating environments

  • Extensive dealer and service network

Disadvantages of CAT Hydraulic Plunger Pumps

  • High purchase and replacement costs

  • Expensive spare parts

  • Long delivery lead times

  • High total cost of ownership

These disadvantages often increase operating costs for end users.


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 155-5109 fully matches CAT specifications and allows direct replacement without system modification.

2. Cost-Effective Solution

The HENGYUHANG hydraulic plunger pump significantly reduces procurement and maintenance costs while maintaining stable 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 supply capability.

5. Strict Quality Control

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


6.Benefits of Choosing HENGYUHANG Hydraulic Plunger Pump

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

  • Lower total operating and maintenance costs

  • Stable and efficient hydraulic performance

  • Reduced equipment downtime

  • Easy installation and maintenance

  • Professional technical and after-sales support

The HENGYUHANG hydraulic plunger pump is not just a replacement, but also a smart and economical upgrade for CAT hydraulic systems.


7.Conclusion

The HENGYUHANG hydraulic plunger pump 155-5109 provides 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 looking 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