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CAT 121-4312 0R-7686 Hydraulic Piston Pumps for Grader 24H

HENGYUHANG Plunger Pump 121-4312 / 0R-7686 – Perfect Replacement for CAT Hydraulic Plunger Pump


The CAT hydraulic plunger pump is an essential component in high-pressure hydraulic systems for construction, mining, and industrial machinery. CAT hydraulic plunger pumps are well known for stable output and durability, but their high cost and long lead time often increase equipment operating expenses.

    

The HENGYUHANG plunger pump 121-4312 / 0R-7686 is engineered as a perfect replacement for CAT hydraulic plunger pump, delivering OEM-level compatibility, stable hydraulic performance, and excellent cost efficiency. This HENGYUHANG plunger pump can directly replace CAT part number 121-4312 and CAT reman number 0R-7686 without any modification.

    

Functions of HENGYUHANG Plunger Pump 121-4312 / 0R-7686


As a reliable replacement for CAT hydraulic plunger pump, the HENGYUHANG plunger pump 121-4312 / 0R-7686 provides:

  • Continuous high-pressure hydraulic oil supply

  • Stable and accurate flow output

  • Efficient power transmission

  • Low internal leakage

  • Reliable operation under high-load conditions

Description

1.Technical Parameters of HENGYUHANG Plunger Pump 121-4312 / 0R-7686

ParameterSpecification
Product TypeAxial Hydraulic Plunger Pump
Replacement ForCAT Hydraulic Plunger Pump
CAT Part Number121-4312
CAT Reman Number0R-7686
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 Testing100% 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 to operate reliably in demanding environments.


3.Advantages of CAT Hydraulic Plunger Pump

The CAT hydraulic plunger pump offers several key advantages:

  • Proven durability and reliability

  • Stable pressure and flow performance

  • Long service life

  • Strong global brand reputation

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


4.Limitations of CAT Hydraulic Plunger Pump

Despite its strengths, the CAT hydraulic plunger pump has certain disadvantages:

  • High purchase and replacement cost

  • Expensive maintenance and spare parts

  • Long delivery lead times

  • High total cost of ownership

These limitations encourage users to seek a dependable replacement for CAT hydraulic plunger pump.


5.Advantages of HENGYUHANG Plunger Pump

The HENGYUHANG plunger pump 121-4312 / 0R-7686 provides clear advantages:

OEM-Compatible Design

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

Cost-Effective Alternative

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

Reliable Quality

Advanced machining and strict quality control guarantee long-term stable operation.

Fast Delivery

Shorter lead times help minimize equipment downtime.

Comprehensive Testing

Each HENGYUHANG plunger pump is fully tested before shipment.


6.Why Choose HENGYUHANG Plunger Pump?

Choosing the HENGYUHANG plunger pump 121-4312 / 0R-7686 means choosing a high-quality and economical replacement for CAT hydraulic plunger pump. It maintains hydraulic system performance while reducing overall operating costs.


7.Conclusion

The HENGYUHANG plunger pump 121-4312 / 0R-7686 is a reliable and cost-effective alternative to the 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 proven replacement for CAT hydraulic plunger pump, the HENGYUHANG plunger pump 121-4312 / 0R-7686 is the smart choice.

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Location

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

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