Hydraulic instability in large mining excavators often leads to reduced digging force and inconsistent multi-function response during continuous operation. The 4217783 / 4291284 / 0000674 tandem pump assembly is engineered for EX700 and EX700BE platforms, delivering stable NV270 variable displacement performance to support high-load excavation and long-hour working cycles.
Item NO.:
4217783 4291284 000Order(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 | EX700, EX700BE |
| Application | Excavator |
| Material | High-Strength Alloy Steel |
| Product Color | Industrial Grey |
| Working Temperature | -20°C to +85°C |
| Key Function | Converts engine power into hydraulic pressure and flow distribution |
| Condition | 100% New, Aftermarket / OEM Quality |
| Packaging | Wooden Case/Reinforced Carton/Neutral Packing / Customized Box |
Supports strong and stable pressure delivery required for large excavator working systems.
Enables synchronized hydraulic performance across multiple working functions of the machine.
Designed to withstand continuous vibration, dust exposure, and extreme workload conditions.
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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