Facing unstable hydraulic response, weak motor engagement, or pressure inconsistency in M5X180 excavator systems? Wholesalers, repair shops, and mining fleets require reliable internal motor components for fast restoration and reduced downtime. RITO 640307 Set Plate With Spring ensures stable hydraulic force balancing and precise internal engagement for excavators like ZAX330, EX300-5, HD1430, VOLVO360, and SK350-8.
Item NO.:
640307Order(MOQ):
1Payment:
T/T, WESTERN UNION, CHINESE BANK,PAYPALProduct Origin:
JAPANLead Time:
2-3 DAYSCompared with low-grade aftermarket assemblies, it delivers stronger spring resilience, improved pressure stability, and better wear resistance under continuous operation. Designed for M5X180 hydraulic motor systems, it supports OEM/OEM-equivalent supply, bulk procurement, and multi-model compatibility for mining, quarrying, and heavy construction maintenance needs.

| Parameter Item | Specification Data |
|---|---|
| Product Name | Swing Motor Set Plate With Spring Assembly |
| Part Number | 640307 |
| Compatible Equipment | ZAX330, EX300-5, HD1430, VOLVO360, SK350-8 Excavator, M5X180 Swing Motor |
| Product Color | Matte silver steel plate + dark quenched spring |
| Working Ambient Temperature | -22℃ to +58℃ |
| Hydraulic Fluid Operating Temperature | -8℃ to +78℃ |
| Core Function | Provide uniform preload compression force to friction components, stabilize hydraulic sealing and guarantee smooth excavator slewing |
| Condition | 100% New, Aftermarket / OEM Quality |
| Packaging | Wooden Case/Reinforced Carton/Neutral Packing / Customized Box |

Ensures consistent internal pressure regulation and smoother motor operation.

Provides reliable engagement response and improves hydraulic motor efficiency.

Fits ZAX330, EX300-5, HD1430, VOLVO360, SK350-8 hydraulic systems.

Built for long-hour mining and construction workloads with high stress resistance.

FAQ
Q:What should be ensured before installation?
A:Hydraulic system flushing, proper alignment, spring integrity check, and torque calibration are required for stable performance.
Q:How to confirm correct model selection?
A: Verify part number 640307 and ensure compatibility with M5X180 hydraulic motor systems across listed excavator models.
Q:Can it operate in harsh conditions?
A:Yes, it is designed for high-load, high-temperature, and dust-heavy environments such as mining, quarrying, and continuous construction operations.
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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