HENGYUHANG Plunger Pump 109-1666 – Perfect Replacement for CAT Hydraulic Plunger Pump
The CAT hydraulic plunger pump is widely used in heavy-duty hydraulic systems for its stable performance and high-pressure capability. However, high costs and long lead times for OEM parts have led many customers to seek a reliable alternative.
The HENGYUHANG plunger pump 109-1666 is engineered as a perfect replacement for CAT hydraulic plunger pump, offering OEM-level compatibility, equivalent performance, and improved cost efficiency.
Functions of HENGYUHANG Plunger Pump 109-1666
As a professional replacement for CAT hydraulic plunger pump, the HENGYUHANG plunger pump 109-1666 delivers:
Stable high-pressure hydraulic output
Smooth and consistent flow performance
Strong load-bearing capability
Reduced internal leakage
Reliable operation under continuous heavy-duty conditions
| Parameter | Specification |
|---|---|
| Product Type | Axial Hydraulic Plunger Pump |
| Replacement For | CAT Hydraulic Plunger Pump |
| CAT Part Number | 109-1666 |
| Rated Pressure | Up to 35 MPa |
| Maximum Pressure | Up to 40 MPa |
| Flow Performance | High efficiency, stable output |
| Operating Speed | OEM standard |
| Working Medium | Hydraulic oil |
| Operating Temperature | -20°C to +90°C |
| Installation | Direct replacement, plug-and-play |
| Compatibility | Fully interchangeable with CAT systems |
| Quality Testing | 100% pressure & performance tested |
Both the CAT hydraulic plunger pump and HENGYUHANG plunger pump 109-1666 are widely used in:
Construction machinery
Mining equipment
Earthmoving machines
Agricultural machinery
Industrial hydraulic systems
Heavy-duty mobile equipment
HENGYUHANG pumps are designed to deliver reliable performance under high load and harsh conditions.
The CAT hydraulic plunger pump is recognized for:
Proven durability and long service life
Stable high-pressure performance
Reliable operation in demanding environments
Strong global brand reputation
These advantages have made CAT pumps a standard choice in hydraulic applications.
Despite its strengths, the CAT hydraulic plunger pump also presents some limitations:
High initial and replacement costs
Expensive OEM spare parts
Long lead times for certain models
Higher overall maintenance expenses
These factors drive the demand for a cost-effective replacement for CAT hydraulic plunger pump.
The HENGYUHANG plunger pump 109-1666 offers clear benefits as a replacement for CAT hydraulic plunger pump:
Manufactured according to CAT specifications for direct installation.
Provides equivalent hydraulic performance at a more competitive price.
Precision machining ensures consistent pressure and flow output.
Shorter production and delivery times reduce equipment downtime.
Each pump undergoes comprehensive testing before shipment.
Choosing the HENGYUHANG plunger pump 109-1666 means choosing a reliable and economical replacement for CAT hydraulic plunger pump. It helps reduce operating costs while maintaining the performance, efficiency, and durability required for heavy-duty hydraulic systems.
The HENGYUHANG plunger pump 109-1666 is a high-quality replacement for CAT hydraulic plunger pump, offering OEM-level fit, stable high-pressure output, and excellent value. It is an ideal solution for construction, mining, agricultural, and industrial hydraulic applications.
For customers seeking a dependable alternative to CAT hydraulic plunger pumps, the HENGYUHANG plunger pump 109-1666 is the smart and cost-effective choice.

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