Hydraulic inefficiency in heavy excavators often shows up as delayed response, weak digging force, and unstable multi-function coordination under continuous load. The 4352970 main pump assembly is designed to rebuild stable hydraulic delivery and precise flow control, helping EX400 series machines maintain strong and consistent working performance in demanding jobsite conditions.
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 | EX400-3C, EX400LC-3C |
| 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 |
Delivers balanced hydraulic power across multiple working circuits for smoother machine coordination.
Adjusts hydraulic output according to load conditions to improve efficiency and response speed.
Built to endure continuous operation in mining, quarry, and large-scale construction environments.
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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