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.:
3081085Order(MOQ):
1Payment:
T/T, WESTERN UNION, CHINESE BANK,PAYPALProduct Origin:
JAPANLead Time:
2-3 DAYSDesigned 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.

| 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 |

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

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

Optimized transmission path helps improve pump efficiency and energy utilization.

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

FAQ
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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