Mini excavators in the EX50–EX55 range often suffer from reduced hydraulic precision over time, leading to jerky movement, weak digging response, and unstable pressure delivery in fine-control operations. The 9171430 hydraulic piston pump assembly is designed to restore smooth and accurate hydraulic flow, ensuring stable performance in compact machinery working under frequent start-stop cycles.
Item NO.:
4403501 404189Order(MOQ):
1Payment:
T/T, WESTERN UNION, CHINESE BANK,PAYPALProduct Origin:
JAPANLead Time：
2-3 DAYS
| Part Number |
|
|---|---|
| Part Name | Hydraulic Pump |
| Compatible Brand | Hitachi |
| Applicable Models | EX50U, EX55 |
| Application | Excavator |
| Material | High-Strength Alloy Steel |
| Product Color | Industrial Gray |
| Working Temperature | -25°C to +95°C |
| Key Function | Supplies regulated hydraulic flow for mini excavator systems |
| Condition | 100% New, Aftermarket / OEM Quality |
| Packaging | Wooden Case/Reinforced Carton/Neutral Packing / Customized Box |
Delivers stable hydraulic response for delicate digging and fine movement operations.
Optimized structure ensures smooth energy conversion in small excavator systems.
Maintains consistent performance during frequent operation changes common in mini excavators.
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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