HENGYUHANG Hydraulic Plunger Pump 6E-3139 – Perfect Replacement for CAT Hydraulic Plunger Pump
Introduction to HENGYUHANG Hydraulic Plunger Pump
The HENGYUHANG hydraulic plunger pump 6E-3139 is engineered as a perfect replacement for CAT hydraulic plunger pump, offering OEM-level compatibility, stable hydraulic performance, and long-term durability. Designed for demanding working conditions, the HENGYUHANG hydraulic plunger pump delivers consistent pressure and reliable flow while helping customers significantly reduce equipment maintenance and replacement costs.
Product Overview: HENGYUHANG Hydraulic Plunger Pump 6E-3139
The HENGYUHANG hydraulic plunger pump 6E-3139 is manufactured strictly in accordance with CAT OEM technical standards. It supports direct installation without any modification, ensuring fast replacement and minimal equipment downtime.
Direct replacement for CAT 6E-3139
OEM-standard dimensions and mounting interface
High-pressure and 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 | OEM matched |
| Rotation Speed | Compatible with CAT hydraulic systems |
| Mounting Type | Standard CAT mounting flange |
| Hydraulic Oil | Mineral hydraulic oil |
| Operating Temperature | -20°C to +90°C |
The HENGYUHANG hydraulic plunger pump provides high volumetric efficiency and stable performance even under harsh operating conditions.
A hydraulic plunger pump converts mechanical energy into hydraulic energy and supplies pressurized oil to the system. The HENGYUHANG hydraulic plunger pump performs the following core functions:
Supplies stable high-pressure hydraulic oil
Maintains smooth and continuous hydraulic flow
Enables precise control of hydraulic actuators
Improves overall hydraulic system efficiency
With an optimized internal structure, the HENGYUHANG hydraulic plunger pump minimizes internal leakage and energy loss.
The HENGYUHANG hydraulic plunger pump 6E-3139 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 earthmoving machinery
Industrial hydraulic power units
Material handling and lifting equipment
Where CAT hydraulic plunger pumps are used, the HENGYUHANG hydraulic plunger pump can be applied as a direct replacement.
Strong global brand recognition
Proven reliability in extreme working environments
Extensive global service network
High purchase and replacement costs
Expensive spare parts and maintenance
Long delivery lead times
High total cost of ownership
These limitations encourage many users to choose the HENGYUHANG hydraulic plunger pump as a cost-effective alternative.
The HENGYUHANG hydraulic plunger pump is developed to match CAT OEM performance while offering superior economic value and flexible supply capability.
The HENGYUHANG hydraulic plunger pump 6E-3139 precisely matches CAT specifications and supports direct installation.
Compared with CAT original pumps, the HENGYUHANG hydraulic plunger pump significantly reduces procurement and long-term operating costs.
High-strength materials, precision machining, and optimized sealing systems ensure durability under continuous heavy-duty operation.
The HENGYUHANG hydraulic plunger pump offers shorter lead times and stable availability compared with CAT OEM parts.
Each HENGYUHANG hydraulic plunger pump undergoes pressure testing, flow testing, and leakage inspection before shipment.
By choosing the HENGYUHANG hydraulic plunger pump, customers benefit from:
Reduced equipment downtime
Lower total cost of ownership
Stable and efficient hydraulic system performance
Easy installation and maintenance
Professional technical and after-sales support
The HENGYUHANG hydraulic plunger pump is not just a replacement—it is a smart and economical upgrade for CAT hydraulic systems.
The HENGYUHANG hydraulic plunger pump 6E-3139 is a perfect replacement for CAT hydraulic plunger pump, combining OEM compatibility, reliable performance, and excellent cost efficiency. It is widely used in construction, mining, and industrial hydraulic applications.
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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