Facing slewing instability, hydraulic response delay, or reduced rotary efficiency in EC140 excavator fleets? For construction contractors, equipment distributors, and maintenance specialists, a reliable rotary motor assembly is essential to maintain machine productivity and reduce unexpected downtime. RITO Excavator Rotary Motor 31N4-10130 31N410130 EC140 Rotary Motor Slewing Unit Hydraulic Construction Machinery Heavy Duty delivers stable torque output, efficient hydraulic power conversion, and dependable rotary performance for smooth and reliable excavator slewing operation in demanding construction and earthmoving environments.
Item NO.:
31N4-10130Order(MOQ):
1Payment:
T/T, WESTERN UNION, CHINESE BANK,PAYPALProduct Origin:
JAPANLead Time:
2-3 DAYSCompared with standard aftermarket rotary motor units, it provides consistent power transmission, stable rotary control, and reliable performance during continuous excavation cycles. Designed for OEM/OEM-equivalent replacement supply, it supports professional repair, maintenance, and bulk procurement requirements for Hyundai EC140 excavator applications across construction, quarrying, infrastructure, and heavy earthmoving projects.

| Part Number | 31N4-10130 / 31N410130 |
|---|---|
| Part Name | Excavator Rotary Motor Slewing Unit Hydraulic Construction Machinery Heavy Duty |
| Compatible Brand | VOLVO |
| Applicable Models | EC140 Medium Urban Construction Excavator |
| Application | Excavator upper body slewing hydraulic drive system, applied to municipal works, road construction, landscaping excavation and aggregate stacking & loading works |
| Material | High-strength forged alloy steel + medium-load wear-resistant bronze friction accessories |
| Product Color | Matte anti-rust industrial metallic gray |
| Working Temperature | -22℃ ~ +58℃ |
| Key Function | Convert high hydraulic pressure into stable medium slewing torque to drive EC140 excavator upper body rotation for infrastructure and earthmoving projects |
| Condition | 100% New, Aftermarket / OEM Quality |
| Packaging | Wooden Case/Reinforced Carton/Neutral Packing / Customized Box |

Provides powerful and stable rotary force for EC140 excavator upper structure rotation and slewing operations.

Converts hydraulic pressure into controlled rotary movement for smooth and precise swing operation.

Built with high-strength materials for reliable performance under demanding mining and construction conditions.

Matches 31N4-10130 / 31N410130 specifications for EC140 excavator hydraulic rotary drive systems.

FAQ
A:Listed Factory
Stable&Reliable Quality
OEM Factory for Chinese Top Excavator Brands
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