HENGYUHANG Plunger Pump 6E-1278 – Perfect Replacement for CAT Hydraulic Plunger Pump
The CAT hydraulic plunger pump is a critical component in high-pressure hydraulic systems widely used in construction equipment, mining machinery, and industrial hydraulic applications. CAT hydraulic plunger pumps are well known for their durability, stable pressure output, and long service life. However, high original part costs, long lead times, and expensive maintenance often increase overall operating expenses.
The HENGYUHANG plunger pump 6E-1278 is engineered as a perfect replacement for CAT hydraulic plunger pump, offering OEM-level interchangeability, reliable hydraulic performance, and outstanding cost efficiency. This HENGYUHANG plunger pump can directly replace the CAT hydraulic plunger pump without any modification.
Functions of HENGYUHANG Plunger Pump 6E-1278
As a direct replacement for the CAT hydraulic plunger pump, the HENGYUHANG plunger pump 6E-1278 performs the following key functions:
Delivers stable high-pressure hydraulic oil
Maintains consistent flow under continuous heavy load
Enables precise control of hydraulic cylinders and motors
Reduces energy loss and system vibration
Supports reliable long-term operation in harsh environments
| Parameter | Specification |
|---|---|
| Product Type | Axial Hydraulic Plunger Pump |
| Replacement For | CAT Hydraulic Plunger Pump |
| CAT Part Number | 6E-1278 |
| Rated Pressure | Up to 35 MPa |
| Maximum Pressure | Up to 40 MPa |
| Flow Performance | High-efficiency, stable output |
| Operating Speed | OEM standard RPM |
| Working Medium | Hydraulic Oil |
| Operating Temperature | -20°C to +90°C |
| Installation Method | Direct replacement, plug-and-play |
| Mounting Interface | Fully compatible with CAT systems |
| Quality Control | 100% pressure and performance tested |
These technical parameters ensure the HENGYUHANG plunger pump 6E-1278 meets or exceeds the performance of the CAT hydraulic plunger pump.
Both the HENGYUHANG plunger pump and the CAT hydraulic plunger pump are widely applied in:
Construction and earthmoving equipment
Mining and quarry machinery
Industrial hydraulic systems
Material handling equipment
Agricultural machinery
Heavy-duty mobile equipment
The HENGYUHANG plunger pump is designed for continuous operation under high-pressure and high-load conditions.
The CAT hydraulic plunger pump offers several recognized advantages:
Proven durability in heavy-duty applications
Stable high-pressure hydraulic output
Precise system control
Strong global brand reputation
These advantages have made CAT hydraulic plunger pumps a widely trusted OEM solution.
Despite its strengths, the CAT hydraulic plunger pump has some limitations:
High purchase and replacement costs
Expensive spare parts
Long delivery times
High maintenance and operating expenses
These disadvantages encourage customers to look for a reliable replacement for CAT hydraulic plunger pump.
The HENGYUHANG plunger pump 6E-1278 is designed to match or exceed the CAT hydraulic plunger pump while offering additional benefits.
Manufactured according to CAT specifications, the HENGYUHANG plunger pump directly replaces the CAT hydraulic plunger pump 6E-1278.
Compared with the CAT hydraulic plunger pump, the HENGYUHANG plunger pump significantly reduces total ownership cost.
Precision machining ensures consistent pressure, smooth flow, and extended service life.
Shorter production and delivery cycles help minimize equipment downtime.
Each HENGYUHANG plunger pump is fully tested before shipment to ensure stable and reliable performance.
Choosing the HENGYUHANG plunger pump 6E-1278 means selecting a reliable, economical, and high-performance replacement for CAT hydraulic plunger pump. It ensures hydraulic system efficiency while reducing maintenance and operating costs.
The HENGYUHANG plunger pump 6E-1278 is a proven and cost-effective alternative to the CAT hydraulic plunger pump. With OEM-level compatibility, stable performance, and competitive pricing, it is widely trusted in construction, mining, and industrial hydraulic applications.
If you are searching for a dependable replacement for CAT hydraulic plunger pump, the HENGYUHANG plunger pump is the ideal solution.

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