HENGYUHANG Hydraulic Plunger Pump 9T-6857 & 0R-4218 – Perfect Replacement for CAT Hydraulic Plunger Pump
Introduction to HENGYUHANG Hydraulic Plunger Pump
The HENGYUHANG hydraulic plunger pump 9T-6857 and 0R-4218 is engineered as a perfect replacement for CAT hydraulic plunger pump, providing OEM-level compatibility, stable hydraulic output, and excellent durability. Designed for heavy-duty hydraulic systems, the HENGYUHANG hydraulic plunger pump delivers consistent pressure and reliable flow performance while helping customers reduce overall operating and maintenance costs.
Product Overview: HENGYUHANG Hydraulic Plunger Pump 9T-6857 & 0R-4218
The HENGYUHANG hydraulic plunger pump 9T-6857 and 0R-4218 is manufactured strictly according to CAT OEM technical standards. It supports direct installation without any modification, allowing fast replacement and minimizing equipment downtime.
Direct replacement for CAT 9T-6857 and 0R-4218
OEM-standard dimensions and mounting interface
High-pressure and high-efficiency hydraulic performance
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 ensures high volumetric efficiency and stable hydraulic output under demanding working conditions.
A hydraulic plunger pump converts mechanical energy into hydraulic energy. The HENGYUHANG hydraulic plunger pump performs the following key functions:
Supplies stable high-pressure hydraulic oil
Maintains smooth and continuous hydraulic flow
Enables precise control of hydraulic actuators
Improves overall hydraulic system efficiency
Thanks to its optimized internal structure, the HENGYUHANG hydraulic plunger pump minimizes internal leakage and energy loss.
The HENGYUHANG hydraulic plunger pump 9T-6857 and 0R-4218 is widely used in various 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
Wherever CAT hydraulic plunger pumps are used, the HENGYUHANG hydraulic plunger pump can be applied as a direct replacement.
Strong global brand reputation
Proven performance in extreme working environments
Extensive global service network
High purchase and replacement cost
Expensive spare parts and maintenance
Long delivery lead times
High total cost of ownership
These disadvantages lead many customers to choose the HENGYUHANG hydraulic plunger pump as a practical 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 9T-6857 and 0R-4218 precisely matches CAT specifications and allows 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 to CAT OEM parts.
Each HENGYUHANG hydraulic plunger pump is tested for pressure, flow, and leakage before shipment.
By choosing the HENGYUHANG hydraulic plunger pump, customers gain:
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 9T-6857 and 0R-4218 is a perfect replacement for CAT hydraulic plunger pump, combining OEM compatibility, stable performance, and excellent cost efficiency. It is widely used in construction, mining, and industrial hydraulic applications.
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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