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.
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
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 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 delivers stable and efficient hydraulic power even in harsh operating environments.
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.
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.
Strong global brand recognition
Proven reliability in extreme working conditions
Extensive dealer and service network
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.
The HENGYUHANG hydraulic plunger pump is developed to overcome the cost and supply limitations of CAT original pumps while maintaining OEM-level performance.
The HENGYUHANG hydraulic plunger pump 122-3401 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 operating costs.
High-strength materials, hardened plungers, and optimized sealing systems ensure durability under continuous heavy-duty 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 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.
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.
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.

No. 173, Xiacuo, Sihuang Village, Xiamei Town, Nan 'an City, Fujian Province



