Cat

CAT 350-0666 20R-4693 Hydraulic Piston Pumps for Backhoe loader 414E, 416E, 434E, 422E, 428E

HENGYUHANG Plunger Pump 350-0666 / 20R-4693 – Perfect Replacement for CAT Hydraulic Plunger Pump


The CAT hydraulic plunger pump is an essential component in high-pressure hydraulic systems used in construction, mining, and industrial machinery. CAT hydraulic plunger pumps are known for their stable performance and durability, but high costs and long delivery times often increase the total operating expense.

    

The HENGYUHANG plunger pump 350-0666 / 20R-4693 is engineered as a perfect replacement for CAT hydraulic plunger pump, offering OEM-level compatibility, reliable performance, and clear cost advantages. This HENGYUHANG plunger pump can directly replace CAT part number 350-0666 and CAT reman number 20R-4693 without any modification.


Functions of HENGYUHANG Plunger Pump 350-0666 / 20R-4693


As a dependable replacement for CAT hydraulic plunger pump, the HENGYUHANG plunger pump 350-0666 / 20R-4693 provides:

  • Continuous high-pressure hydraulic oil delivery

  • Stable and accurate flow control

  • Efficient power transmission

  • Low internal leakage

  • Reliable operation in harsh environments

Description

1.Technical Parameters of HENGYUHANG Plunger Pump 350-0666 / 20R-4693

ParameterSpecification
Product TypeAxial Hydraulic Plunger Pump
Replacement ForCAT Hydraulic Plunger Pump
CAT Part Number350-0666
CAT Reman Number20R-4693
Rated PressureUp to 35 MPa
Maximum PressureUp to 40 MPa
Flow PerformanceHigh efficiency, stable output
Operating SpeedOEM standard
Working MediumHydraulic Oil
Operating Temperature-20°C to +90°C
Installation MethodDirect replacement
Mounting InterfaceFully compatible with CAT systems
Quality Inspection100% pressure and performance tested



2.Application Industries

Both the CAT hydraulic plunger pump and HENGYUHANG plunger pump are widely used in:

  • Construction machinery

  • Mining equipment

  • Industrial hydraulic systems

  • Earthmoving machinery

  • Agricultural equipment

  • Heavy-duty mobile machinery

The HENGYUHANG plunger pump is designed for stable operation in demanding working conditions.


3.Advantages of CAT Hydraulic Plunger Pump

The CAT hydraulic plunger pump offers several advantages:

  • Proven durability and long service life

  • Stable pressure and flow output

  • Reliable performance in heavy-duty applications

  • Strong global brand recognition

These advantages make CAT hydraulic plunger pumps a trusted OEM choice.


4.Limitations of CAT Hydraulic Plunger Pump

Despite its strengths, the CAT hydraulic plunger pump also has limitations:

  • High purchase and replacement costs

  • Expensive original spare parts

  • Long lead times

  • Higher total cost of ownership

These disadvantages encourage users to look for a reliable replacement for CAT hydraulic plunger pump.


5.Advantages of HENGYUHANG Plunger Pump

The HENGYUHANG plunger pump 350-0666 / 20R-4693 offers clear advantages:

OEM-Level Compatibility

Manufactured according to CAT specifications, the HENGYUHANG plunger pump ensures direct installation and perfect fit.

Cost-Effective Solution

It delivers equivalent performance to CAT hydraulic plunger pumps at a more competitive price.

Reliable Performance

Precision machining and strict quality control ensure stable pressure and long-term reliability.

Fast Delivery

Shorter lead times help minimize equipment downtime.

Strict Quality Control

Each HENGYUHANG plunger pump is fully tested before shipment.


6.Why Choose HENGYUHANG Plunger Pump?

Choosing the HENGYUHANG plunger pump 350-0666 / 20R-4693 means choosing a dependable and economical replacement for CAT hydraulic plunger pump. It helps maintain system performance while significantly reducing operating costs.


7.Conclusion

The HENGYUHANG plunger pump 350-0666 / 20R-4693 is a high-quality alternative to the CAT hydraulic plunger pump. With OEM compatibility, stable performance, and cost advantages, it is an ideal solution for construction, mining, and industrial hydraulic systems.

For customers seeking a proven replacement for CAT hydraulic plunger pump, the HENGYUHANG plunger pump 350-0666 / 20R-4693 is the smart and reliable choice.

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HENGYUHANG Power Technology Co., LTD

Location

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

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+86 19918575358

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