The RITO 4646893 hydraulic pump coupling is designed for stable power transfer in ZX330 ZX330-3 HPV145 excavator hydraulic systems. It connects the engine output and hydraulic pump through a flexible drive structure, helping reduce torsional shock, misalignment stress, and sudden load impact during heavy excavation cycles.
Item NO.:
4646893Order(MOQ):
1Payment:
T/T, WESTERN UNION, CHINESE BANK,PAYPALProduct Origin:
JAPANLead Time：
2-3 DAYS
| Part Number | 4646893 |
|---|---|
| Part Name | Coupling |
| Compatible Brand | Hitachi |
| Applicable Models | ZX330 ZX330-3 HPV145 |
| Application | Excavator |
| Material | Reinforced Rubber + Alloy Steel Hub |
| Product Color | Black |
| Working Temperature | -30°C to 120°C |
| Key Function | Transmit engine torque to hydraulic pump with vibration absorption |
| Condition | 100% New, Aftermarket / OEM Quality |
| Packaging | Wooden Case/Reinforced Carton/Neutral Packing / Customized Box |
Absorbs engine torsional shock and stabilizes hydraulic pump input during load fluctuations.
Helps compensate minor installation deviations, reducing stress on shafts and bearings.
Flexible element maintains structural integrity under continuous vibration and torque cycles.
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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