Facing swing instability, hydraulic leakage, or torque loss in EX550LC fleets? Wholesalers, mining contractors, and heavy equipment service centers need high-reliability swing systems to prevent downtime and maintain production efficiency. RITO EX550LC Hydraulic Swing Motor 4289284 delivers stable high-torque output and efficient hydraulic-to-rotational conversion for ultra-heavy excavator swing operations.
Item NO.:
4289284Order(MOQ):
1Payment:
T/T, WESTERN UNION, CHINESE BANK,PAYPALProduct Origin:
JAPANLead Time：
2-3 DAYS
| Part Number | 4289284 / 9110045 |
|---|---|
| Part Name | Excavator Hydraulic Slewing Motor & Swing Drive Assembly Assy Swing Drive Motor |
| Compatible Brand | HITACHI |
| Applicable Models | EX550LC Large Excavator |
| Application | Excavator upper body slewing rotary hydraulic drive system |
| Material | High-strength alloy steel + wear-resistant bronze friction accessories |
| Product Color | Matte anti-rust industrial metallic gray |
| Working Temperature | -22℃ to +58℃ |
| Key Function | Convert high-pressure hydraulic power into stable heavy-duty slewing torque to drive excavator upper body rotation for large-scale earthmoving, open-pit hard rock excavation and massive mineral loading operations |
| Condition | 100% New, Aftermarket / OEM Quality |
| Packaging | Wooden Case/Reinforced Carton/Neutral Packing / Customized Box |
Ensures powerful and smooth rotation for EX550LC excavation cycles.
Efficiently converts hydraulic pressure into stable swing motion.
Matches 4289284 / 9110045 specifications for EX550LC systems.
Built for extreme load, impact, and continuous operation environments.
FAQ
Q:What must be checked before installation?
A:Ensure hydraulic system flushing, correct alignment, clean oil condition, and proper torque tightening before assembly.
Q:How to ensure correct model selection?
A:Verify part numbers 4289284 / 9110045 and confirm compatibility with EX550LC swing systems.
Q:Can it operate in mining conditions?
A:Yes, it is engineered for high-load, high-impact, and dust-heavy environments such as mining, quarrying, and large-scale excavation 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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