Facing rotary instability, hydraulic power loss, or reduced slewing efficiency in EX550-5 mining excavator fleets? For mining contractors, heavy equipment distributors, and maintenance specialists, a reliable hydraulic rotary motor is essential to maintain excavation productivity and reduce costly downtime. RITO EX550-5 Hydraulic Rotary Motor 9110045 delivers stable torque output and efficient hydraulic-to-rotational conversion for smooth and reliable excavator slewing performance 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 rotary motor assemblies, it provides consistent power transmission, stable rotary control, and dependable operation during continuous heavy-load mining cycles. Designed for OEM/OEM-equivalent replacement supply, it supports bulk procurement and reliable compatibility across open-pit mining, quarrying, heavy construction, and large-scale earthmoving applications.

| Part Number | 9110045 / 4289284 |
|---|---|
| Part Name | Mining Excavator Hydraulic Rotary Motor Rotary Drive Slewing Device Assembly Swing Drive Motor |
| Compatible Brand | HITACHI |
| Applicable Models | EX550-5 Medium-Large 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 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 |

Provides powerful and stable swing force for EX550-5 mining excavator operations.

Converts hydraulic pressure into controlled rotary movement for smooth upper structure rotation.

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

Matches 9110045 / 4289284 specifications for EX550-5 excavator rotary drive systems.

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