Cat

CAT 9T-8346 0R-8503 Hydraulic Piston Pumps for Caterpillar crawler bulldozers: 57H, 8, 8A, 8SU, 8U, D8N, D8R, D8R II, D8GC D8 GC

HENGYUHANG Plunger Pump 9T-8346 & 0R-8503 – Reliable Replacement for CAT Hydraulic Plunger Pump


Introduction: Cost-Effective Replacement for CAT Hydraulic Plunger Pump


The HENGYUHANG plunger pump is engineered as a direct and reliable replacement for CAT hydraulic plunger pump 9T-8346 and 0R-8503. Designed to meet or exceed OEM specifications, the HENGYUHANG plunger pump delivers stable pressure, high efficiency, and long service life in demanding hydraulic systems.


Product Overview: HENGYUHANG Plunger Pump for CAT 9T-8346 & 0R-8503


The HENGYUHANG plunger pump is manufactured using precision machining and high-strength materials, ensuring full compatibility with CAT hydraulic systems. It can be installed without modification, making it a true plug-and-play replacement for CAT hydraulic plunger pump models 9T-8346 and 0R-8503.


Key highlights of the HENGYUHANG plunger pump include:

  • OEM-matched dimensions and mounting

  • Stable output under high pressure

  • Excellent sealing performance

  • Reduced wear and extended service life

Description

1.Hydraulic Plunger Pump Specifications

ParameterSpecification
Pump TypeAxial hydraulic plunger pump
Compatible CAT Part Numbers9T-8346, 0R-8503
Rated PressureUp to 35 MPa
Maximum PressureUp to 40 MPa
Flow RateOEM-matched
Rotation SpeedCompatible with CAT systems
Mounting TypeStandard CAT flange
Application SystemCAT hydraulic equipment

The HENGYUHANG plunger pump is tested under real working conditions to ensure performance consistency comparable to the CAT hydraulic plunger pump.


2.Functions of a Hydraulic Plunger Pump

A hydraulic plunger pump plays a critical role in converting mechanical energy into hydraulic energy. The HENGYUHANG plunger pump performs the same core functions as the CAT hydraulic plunger pump, including:

  • Delivering high-pressure hydraulic oil

  • Maintaining stable flow under variable loads

  • Supporting heavy-duty hydraulic actuators

  • Ensuring efficient power transmission

Because of its robust structure, the HENGYUHANG plunger pump is especially suitable for high-pressure and continuous-duty applications.


3.Industries and Applications

The HENGYUHANG plunger pump replacement for CAT hydraulic plunger pump 9T-8346 and 0R-8503 is widely used in:

  • Construction machinery

  • Excavators and loaders

  • Mining equipment

  • Industrial hydraulic systems

  • Heavy earth-moving machines

  • Agricultural machinery

In all these industries, the HENGYUHANG plunger pump ensures reliable hydraulic performance and reduced downtime.


4.Advantages and Limitations of CAT Hydraulic Plunger Pump

Advantages of CAT Hydraulic Plunger Pump

  • Strong brand reputation

  • Proven durability in extreme environments

  • Stable hydraulic performance

  • Wide global service network

Limitations of CAT Hydraulic Plunger Pump

  • High purchase cost

  • Expensive spare parts

  • Long delivery lead times

  • Higher maintenance expenses

These limitations encourage many customers to seek a cost-effective alternative such as the HENGYUHANG plunger pump.


5.Why Choose HENGYUHANG Plunger Pump?

The HENGYUHANG plunger pump is designed to solve the pain points associated with the CAT hydraulic plunger pump while maintaining equivalent performance.

Key Advantages of HENGYUHANG Plunger Pump

  1. Perfect OEM Replacement
    The HENGYUHANG plunger pump fully replaces CAT hydraulic plunger pump 9T-8346 and 0R-8503 without any modification.

  2. Competitive Pricing
    Compared with the CAT hydraulic plunger pump, the HENGYUHANG plunger pump offers significant cost savings.

  3. Stable and Reliable Performance
    High-precision components ensure stable pressure and long-term reliability.

  4. Strict Quality Control
    Each HENGYUHANG plunger pump undergoes pressure, leakage, and endurance testing before delivery.

  5. Fast Delivery and Flexible Supply
    Shorter lead time compared to CAT hydraulic plunger pump OEM supply.


6.Conclusion: Smart Alternative to CAT Hydraulic Plunger Pump

If you are looking for a dependable and economical replacement for CAT hydraulic plunger pump 9T-8346 and 0R-8503, the HENGYUHANG plunger pump is the ideal solution. With OEM-level compatibility, strong performance, and lower operating costs, the HENGYUHANG plunger pump helps maximize equipment uptime and profitability.

Choosing the HENGYUHANG plunger pump means choosing reliability, efficiency, and value.

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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

WhatsApp Email +86 19918575358