Hydraulic instability in ultra-heavy excavators often results in reduced digging force, slower cycle response, and inconsistent multi-function coordination under continuous mining workloads. The 4352970 main hydraulic pump assembly is engineered to restore stable variable displacement control, ensuring precise flow regulation and reliable power delivery for large-scale earthmoving operations.
Item NO.:
9129693 9153952 9129Order(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 | EX400-5, EX450 |
| Application | Excavator |
| Material | High-Strength Alloy Steel |
| Product Color | Industrial Gray |
| Working Temperature | -30°C to +100°C |
| Key Function | Converts engine power into regulated hydraulic energy for excavator systems |
| Condition | 100% New, Aftermarket / OEM Quality |
| Packaging | Wooden Case/Reinforced Carton/Neutral Packing / Customized Box |
Adjusts hydraulic output dynamically to match real working load conditions for improved efficiency.
Built to withstand continuous high-pressure operation in quarrying and excavation environments.
Ensures smooth coordination across boom, arm, bucket, and travel 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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