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RITO 3081085 Gear Drive HPV145 EX300-5 EX350-5 ZX330 Hydraulic Pump Drive Gear Center Gear Shaft Excavator Spare Parts

The RITO 3081085 hydraulic pump gear drive is engineered for stable internal transmission in HPV145 EX300-5 EX350-5 ZX330 excavators. It functions as a core center gear shaft, ensuring synchronized rotation between pump components while reducing irregular torque fluctuation that often leads to hydraulic instability in heavy-duty operation.

  • Item NO.:

    3081085
  • Order(MOQ):

    1
  • Payment:

    T/T, WESTERN UNION, CHINESE BANK,PAYPAL
  • Product Origin:

    JAPAN
  • Lead Time:

    2-3 DAYS
  • Product Details

Designed for rebuild centers, parts wholesalers, and mining equipment maintenance teams, this drive gear improves hydraulic pump efficiency under continuous load. Its reinforced tooth geometry and heat-treated structure help maintain precise engagement even in high-pressure, long-hour working environments.

 

3081085 Center Shaft

 
Product Specifications

Part Number  3081085
Part Name Center Shaft
Compatible Brand Tongmyung
Applicable Models HPV145 EX300-5 EX350-5 ZX330
Application Excavator
Material Heat-Treated Alloy Steel
Product Color Dark Grey, Metallic Finish
Working Temperature -40°C to 140°C
Key Function Transfer rotational power within hydraulic pump assembly
Condition 100% New, Aftermarket / OEM Quality
Packaging Wooden Case/Reinforced Carton/Neutral Packing / Customized Box

 

Key Features & Advantages


Precision

Controlled Torque Synchronization

Maintains stable internal gear timing for smoother hydraulic pump output under variable loads.

Leak-Free

Reinforced Gear Tooth Structure

Improved hardness and contact strength reduce early wear in high-pressure hydraulic systems.

Direct Fitment

Reduced Internal Power Loss

Optimized transmission path helps improve pump efficiency and energy utilization.

Rigorous Testing

Application-Specific Fitment

Compatible with HPV145 EX300-5 EX350-5 ZX330 excavator hydraulic pump systems.

Excavator Hydraulic Part

FAQ


Q: What indicates a worn hydraulic pump drive gear?
A: Symptoms include abnormal gear whine, unstable hydraulic pressure, metal debris in oil, and reduced machine responsiveness.
 
Q: What installation conditions are critical for this gear?
A: Proper gear alignment, correct bearing fitment, clean lubrication, and accurate clearance adjustment are essential.
 
QIs this gear suitable for long-hour mining operations?
A: Yes, it is designed for continuous heavy-load environments requiring stable hydraulic performance.
 
Q: Can internal gear wear affect the entire hydraulic system?
A: Yes, excessive wear may cause pressure fluctuation, vibration, and accelerated damage to pump components.
 
 
 
 
 
Q: What quality options are available?

A: We provide original, OEM, and high-quality aftermarket versions with stable supply capability.

 

Q:Why Choose RITO?
A:Listed Factory
   Stable&Reliable Quality
   OEM Factory for Chinese Top Excavator Brands
   Supplier to Fortune 500 Companies

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If you are interested in our products and want to know more details,please leave a message here,we will reply you as soon as we can.

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Leave A Message
If you are interested in our products and want to know more details,please leave a message here,we will reply you as soon as we can.

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