Facing swing instability, hydraulic leakage, or torque loss in EX550LCH fleets? Wholesalers, mining contractors, and heavy equipment service providers need reliable slewing systems to maintain uptime and reduce operational losses. RITO 4289284 Excavator Slewing Motor EX550LCH delivers stable high-torque output and efficient hydraulic-to-rotational conversion for ultra-heavy excavator swing applications.
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 Reduction Drive Device Assembly |
| Compatible Brand | HITACHI |
| Applicable Models | EX550LCH Heavy Mining 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 open-pit ore excavation, hard rock breaking and bulk mineral loading mining operations |
| Condition | 100% New, Aftermarket / OEM Quality |
| Packaging | Wooden Case/Reinforced Carton/Neutral Packing / Customized Box |

Ensures smooth and powerful rotation for EX550LCH heavy-duty excavation cycles.

Efficiently converts hydraulic pressure into stable swing motion.

Matches 4289284 / 9110045 specifications for EX550LCH systems.

Built for extreme load, impact, and continuous working 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 EX550LCH 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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