Facing swing gearbox wear, unstable rotation, or hydraulic torque loss in EX270 fleets? Wholesalers, mining operators, and repair centers need reliable slewing drive systems to maintain uptime and reduce costly downtime. RITO Swing Device Assembly 4197831 EX270 M2X210 delivers stable swing torque output and precise hydraulic-to-mechanical conversion for heavy-duty excavator operations.
Item NO.:
4294479Order(MOQ):
1Payment:
T/T, WESTERN UNION, CHINESE BANK,PAYPALProduct Origin:
JAPANLead Time:
2-3 DAYSCompared with standard aftermarket swing assemblies, it provides improved gear engagement accuracy, higher load resistance, and stable long-term performance under continuous mining conditions. Designed for M2X210 systems, it supports OEM/OEM-equivalent supply, bulk procurement, and consistent compatibility across EX270 construction, quarrying, and earthmoving applications.

| Part Number | 4197831 / 4224992 / 9083736, Motor Model M2X210 |
|---|---|
| Part Name | Excavator Swing Device Assembly, Swing Reduction Gearbox & Slewing Drive Unit |
| Compatible Brand | HITACHI |
| Applicable Models | EX270 Excavator, M2X210 Slewing Rotary Motor |
| 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 slewing torque to drive excavator upper body rotation for ore excavation, rock breaking and bulk material loading construction operations |
| Condition | 100% New, Aftermarket / OEM Quality |
| Packaging | Wooden Case/Reinforced Carton/Neutral Packing / Customized Box |

Ensures smooth and powerful rotation for EX270 excavator working cycles.

Matches 4197831 / 4224992 / 9083736 specifications for M2X210 systems.

Built for high-impact, dust-heavy, and continuous operation environments.

Improves swing response and reduces energy loss during operation.

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 4197831 / 4224992 / 9083736 and confirm compatibility with EX270 M2X210 systems.
Q:Can it operate in mining conditions?
A:Yes, it is designed for high-load, high-temperature, and dust-heavy environments such as mining, quarrying, and continuous construction 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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