Facing swing delay, gearbox wear, or unstable slewing performance in EX550LC-3 mining excavator fleets? For mining contractors, heavy equipment distributors, and maintenance specialists, a reliable swing motor gearbox unit is essential to maintain excavation productivity and reduce costly downtime. RITO Swing Motor with Gearbox 9110045 EX550LC-3 provides stable torque transmission and efficient hydraulic power conversion for smooth and dependable excavator swing operation in demanding mining environments.
Item NO.:
9110045Order(MOQ):
1Payment:
T/T, WESTERN UNION, CHINESE BANK,PAYPALProduct Origin:
JAPANLead Time:
2-3 DAYSCompared with standard aftermarket swing motor gearbox units, it delivers consistent power transfer, reliable gear engagement, and stable rotary performance during continuous heavy-load excavation cycles. Designed for OEM/OEM-equivalent replacement supply, it supports bulk procurement and dependable compatibility across mining, quarrying, heavy construction, and large-scale earthmoving applications.

| Part Number | 9110045 / 4289284 |
|---|---|
| Part Name | Mining Excavator Swing Motor Gearbox Slewing Motor Unit Slewing Drive Swing Motor with Gearbox Assembly |
| Compatible Brand | HITACHI |
| Applicable Models | EX550LC-3 Medium-Large Long-Track Heavy-Duty Open-Pit Mining Excavator |
| Application | Excavator upper body slewing rotary hydraulic drive system for open-pit ore stripping, massive hard rock excavation and bulk ore loading mining works |
| 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 hydraulic pressure into stable heavy slewing torque to drive long-track medium-large mining excavator upper body rotation for open-pit overburden stripping, hard rock blasting excavation and bulk ore & aggregate loading mining projects |
| Condition | 100% New, Aftermarket / OEM Quality |
| Packaging | Wooden Case/Reinforced Carton/Neutral Packing / Customized Box |

Combines hydraulic motor and reduction gearbox for efficient swing control and reliable power transmission.

Provides strong rotary force for EX550LC-3 heavy-duty mining excavator operations.

Ensures smooth power transfer and stable slewing performance under heavy loads.

Matches 9110045 / 4289284 specifications for EX550LC-3 excavator swing systems.

FAQ
A:Listed Factory
Stable&Reliable Quality
OEM Factory for Chinese Top Excavator Brands
Supplier to Fortune 500 Companies
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