HENGYUHANG Plunger Pump 105-1645 – Perfect Replacement for CAT Hydraulic Plunger Pump
The CAT hydraulic plunger pump is widely used in high-pressure hydraulic systems for construction machinery, mining equipment, and industrial applications. With its stable pressure output and proven durability, the CAT hydraulic plunger pump has become a core component in many heavy-duty machines.
To meet market demand for a reliable and cost-effective alternative, HENGYUHANG plunger pump 105-1645 is engineered as a perfect replacement for CAT hydraulic plunger pump, providing OEM-level compatibility, stable performance, and long service life.
Functions of HENGYUHANG Plunger Pump 105-1645
As a direct replacement for CAT hydraulic plunger pump, the HENGYUHANG plunger pump 105-1645 delivers the following key functions:
High-pressure hydraulic oil output
Stable and continuous flow performance
Efficient power transmission
Low internal leakage
Reliable operation under harsh working conditions
| Parameter | Specification |
|---|---|
| Product Type | Axial Hydraulic Plunger Pump |
| Replacement For | CAT Hydraulic Plunger Pump |
| CAT Part Number | 105-1645 |
| 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 |
| Mounting Interface | Fully compatible with CAT systems |
| Installation Method | Direct replacement, no modification |
| Quality Inspection | 100% pressure and performance tested |
Both the CAT hydraulic plunger pump and HENGYUHANG plunger pump are commonly used in:
Construction machinery
Mining equipment
Earthmoving machinery
Industrial hydraulic systems
Agricultural machinery
Heavy-duty mobile equipment
The HENGYUHANG plunger pump is designed to operate reliably in demanding environments.
The CAT hydraulic plunger pump is well known for its:
Long service life and strong durability
Stable pressure and consistent flow
Reliable performance in extreme working conditions
Strong global brand reputation
These advantages make CAT hydraulic plunger pumps a preferred OEM solution.
Despite its strengths, the CAT hydraulic plunger pump also has several drawbacks:
High purchase and replacement cost
Expensive original spare parts
Long lead times for OEM supply
Higher overall maintenance expenses
These limitations encourage users to look for a dependable replacement for CAT hydraulic plunger pump.
The HENGYUHANG plunger pump 105-1645 offers multiple advantages over traditional CAT hydraulic plunger pumps:
Manufactured according to CAT specifications for direct installation.
Provides the same performance as a CAT hydraulic plunger pump at a more competitive price.
Precision machining ensures long service life and consistent output.
Fast production and delivery help minimize equipment downtime.
Every HENGYUHANG plunger pump is fully tested before shipment.
Choosing the HENGYUHANG plunger pump 105-1645 means choosing a reliable and economical replacement for CAT hydraulic plunger pump. It helps reduce operating costs while maintaining hydraulic system efficiency and stability.
The HENGYUHANG plunger pump 105-1645 is a high-quality, cost-effective replacement for CAT hydraulic plunger pump. With OEM compatibility, stable performance, and competitive pricing, it is an ideal solution for construction, mining, and industrial hydraulic applications.
For customers seeking a dependable alternative to the CAT hydraulic plunger pump, HENGYUHANG plunger pump 105-1645 is a smart and reliable choice.

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