Cat

CAT 146-3685 Hydraulic Piston Pumps for Wheel loader 980G 980GII

HENGYUHANG Plunger Pump 146-3685 – Perfect Replacement for CAT Hydraulic Plunger Pump


The CAT hydraulic plunger pump is a vital component in high-pressure hydraulic systems used in construction equipment, mining machinery, and industrial applications. CAT hydraulic plunger pumps are widely recognized for their durability and stable hydraulic performance. However, high purchase cost, long delivery cycles, and expensive maintenance often increase total ownership cost.


The HENGYUHANG plunger pump 146-3685 is engineered as a perfect replacement for CAT hydraulic plunger pump, delivering OEM-level compatibility, reliable hydraulic output, and excellent cost efficiency. This HENGYUHANG plunger pump can directly replace the CAT hydraulic plunger pump 146-3685 without any modification.

    

Functions of HENGYUHANG Plunger Pump 146-3685


As a direct replacement for the CAT hydraulic plunger pump, the HENGYUHANG plunger pump 146-3685 performs the following key functions:

  • Supplies stable high-pressure hydraulic oil

  • Maintains consistent flow under continuous load

  • Enables precise control of hydraulic cylinders and motors

  • Reduces energy loss and system vibration

  • Supports long-term reliable operation in harsh environments

Description

1.Technical Parameters of HENGYUHANG Plunger Pump 146-3685

ParameterSpecification
Product TypeAxial Hydraulic Plunger Pump
Replacement ForCAT Hydraulic Plunger Pump
CAT Part Number146-3685
Rated PressureUp to 35 MPa
Maximum PressureUp to 40 MPa
Flow PerformanceHigh-efficiency, stable output
Operating SpeedOEM standard RPM
Working MediumHydraulic Oil
Operating Temperature-20°C to +90°C
Installation MethodDirect replacement, plug-and-play
Mounting InterfaceFully compatible with CAT systems
Quality Control100% pressure and performance tested

These technical parameters ensure the HENGYUHANG plunger pump 146-3685 meets or exceeds the performance of the CAT hydraulic plunger pump.


2.Application Industries

Both the HENGYUHANG plunger pump and the CAT hydraulic plunger pump are widely used 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 heavy-load conditions.


3.Advantages of CAT Hydraulic Plunger Pump

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 strengths make CAT hydraulic plunger pumps a preferred OEM choice.


4.Limitations of CAT Hydraulic Plunger Pump

Despite its advantages, the CAT hydraulic plunger pump has some limitations:

  • High initial and replacement costs

  • Expensive spare parts

  • Long delivery times

  • High maintenance and operating expenses

These disadvantages lead many customers to search for a reliable replacement for CAT hydraulic plunger pump.


5.Advantages of HENGYUHANG Plunger Pump

The HENGYUHANG plunger pump 146-3685 is designed to match or exceed the CAT hydraulic plunger pump while providing additional benefits.

OEM-Level Compatibility

Manufactured according to CAT specifications, the HENGYUHANG plunger pump directly replaces the CAT hydraulic plunger pump 146-3685.

Cost-Effective Alternative

Compared with the CAT hydraulic plunger pump, the HENGYUHANG plunger pump significantly reduces total ownership cost.

Stable and Reliable Performance

Precision machining ensures consistent pressure, smooth flow, and extended service life.

Fast Delivery

Shorter production cycles help reduce equipment downtime.

Strict Quality Inspection

Each HENGYUHANG plunger pump undergoes full pressure and performance testing before shipment.


6.Why Choose HENGYUHANG Plunger Pump?

Choosing the HENGYUHANG plunger pump 146-3685 means selecting a reliable, cost-effective, and high-performance replacement for CAT hydraulic plunger pump. It ensures hydraulic system efficiency while lowering maintenance and operating costs.


7.Conclusion

The HENGYUHANG plunger pump 146-3685 is a dependable and economical 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 looking for a proven replacement for CAT hydraulic plunger pump, the HENGYUHANG plunger pump is the ideal choice.

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No. 173, Xiacuo, Sihuang Village, Xiamei Town, Nan 'an City, Fujian Province

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