Cat

CAT 11804378 Hydraulic Piston Pumps for Volvo excavator ECR48C EC45

HENGYUHANG Hydraulic Plunger Pump 11804378 – Perfect Replacement for CAT Hydraulic Plunger Pump


Introduction to HENGYUHANG Hydraulic Plunger Pump


The HENGYUHANG hydraulic plunger pump 11804378 is engineered to be a perfect replacement for CAT hydraulic plunger pumps, offering OEM-level compatibility, stable hydraulic output, and long service life. Designed for demanding working environments, the HENGYUHANG hydraulic plunger pump delivers reliable pressure and flow performance while helping customers significantly reduce operating and maintenance costs.


Key Features of HENGYUHANG Hydraulic Plunger Pump

  • Direct replacement for CAT 11804378

  • OEM-standard dimensions and mounting interface

  • High-pressure, high-efficiency hydraulic output

  • 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 RateMatched to CAT hydraulic 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 ensures consistent hydraulic performance even in high-load and long-duty-cycle applications.


2.Functions of a Hydraulic Plunger Pump

A hydraulic plunger pump is a core component of hydraulic systems, converting mechanical energy into hydraulic energy. The HENGYUHANG hydraulic plunger pump performs the following essential functions:

  • Supplies stable high-pressure hydraulic oil

  • Maintains consistent hydraulic system performance

  • Enables precise motion and load control

  • Improves overall hydraulic efficiency

With optimized internal structure and precision manufacturing, the HENGYUHANG hydraulic plunger pump achieves high volumetric efficiency and low internal leakage.


3.Application Industries of HENGYUHANG Hydraulic Plunger Pump

The HENGYUHANG hydraulic plunger pump 11804378 is widely used in industries where CAT hydraulic plunger pumps are installed, 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 direct and reliable replacement.


4.Advantages and Disadvantages of CAT Hydraulic Plunger Pumps

Advantages of CAT Hydraulic Plunger Pumps

  • Strong global brand recognition

  • Proven reliability in harsh operating environments

  • Extensive dealer and service support network

Disadvantages of CAT Hydraulic Plunger Pumps

  • High purchase and replacement costs

  • Expensive spare parts and maintenance

  • Long delivery lead times

  • High total cost of ownership

These limitations drive many customers to seek 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 challenges of CAT original pumps while maintaining OEM-level performance.

Advantages of HENGYUHANG Hydraulic Plunger Pump

1. Perfect OEM Compatibility

The HENGYUHANG hydraulic plunger pump 11804378 precisely matches CAT specifications and allows direct replacement without system modification.

2. Cost-Effective Alternative

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, hardened plungers, and optimized sealing systems ensure durability under heavy-duty and continuous 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 pressure testing, flow testing, and leakage inspection before shipment.


For global buyers seeking a dependable and cost-effective alternative to CAT original components, the HENGYUHANG hydraulic plunger pump is a proven solution.


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 system performance

  • Reduced equipment downtime

  • Easy installation and maintenance

  • Professional technical and after-sales support

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


7.Conclusion

The HENGYUHANG hydraulic plunger pump 11804378 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 reducing total ownership costs.

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

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