Facing swing instability, hydraulic delay, or rotary drive wear in EX100-3 fleets? For wholesalers, repair workshops, and equipment operators, unplanned downtime reduces productivity and increases maintenance costs. RITO Swing Motor with Gearbox 4334355 EX100-3 delivers stable torque output and efficient hydraulic-to-rotational conversion for reliable excavator swing performance in daily construction and earthmoving work.
Item NO.:
4334355Order(MOQ):
1Payment:
T/T, WESTERN UNION, CHINESE BANK,PAYPALProduct Origin:
JAPANLead Time:
2-3 DAYSCompared with standard aftermarket swing motors, it improves gear engagement precision, reduces internal backlash, and ensures smooth operation under frequent load cycles. Designed for OEM/OEM-equivalent supply, it supports bulk procurement and consistent compatibility across construction, quarrying, and general excavation applications.

| Part Number | 4334355 / 9111265 |
|---|---|
| Part Name | Excavator Swing Motor with Reduction Gearbox, Slewing Drive Motor Unit Assembly |
| Compatible Brand | HITACHI |
| Applicable Models | EX100-3 Medium Construction Excavator |
| Application | Medium 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 medium-pressure hydraulic power into stable medium slewing torque to drive excavator upper body rotation for municipal road construction, pipeline trenching and small-site earthmoving projects |
| Condition | 100% New, Aftermarket / OEM Quality |
| Packaging | Wooden Case / Reinforced Carton / Neutral Packing / Customized Export Package |

Ensures smooth and controlled rotation under working load.

Improves hydraulic-to-rotary power transmission.

Built for long-hour operation and rugged environments.

Matches 4334355 / 9111265 specifications for EX100-3 systems.

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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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