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.
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
Typical technical specifications of the HENGYUHANG hydraulic plunger pump include:
| Parameter | Specification |
|---|---|
| Pump Type | Axial hydraulic plunger pump |
| Rated Pressure | Up to 35 MPa |
| Maximum Pressure | Up to 40 MPa |
| Flow Rate | Matched to CAT hydraulic system requirements |
| Rotation Speed | OEM compatible |
| Mounting Type | Standard CAT mounting flange |
| Hydraulic Oil | Mineral 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.
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.
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.
Strong global brand recognition
Proven reliability in harsh operating environments
Extensive dealer and service support network
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.
The HENGYUHANG hydraulic plunger pump is developed to overcome the cost and supply challenges of CAT original pumps while maintaining OEM-level performance.
The HENGYUHANG hydraulic plunger pump 11804378 precisely matches CAT specifications and allows direct replacement without system modification.
Compared with CAT original pumps, the HENGYUHANG hydraulic plunger pump significantly reduces procurement and long-term operating costs.
High-strength materials, hardened plungers, and optimized sealing systems ensure durability under heavy-duty and continuous operation.
The HENGYUHANG hydraulic plunger pump offers flexible production capacity and shorter lead times than CAT original parts.
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.
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.
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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