Facing swing gearbox wear, hydraulic instability, or reduced rotary efficiency in EX350LCH-5 excavator fleets? For mining contractors, equipment distributors, and maintenance specialists, a reliable swing system is essential to maintain productivity and minimize machine downtime. RITO Swing Device Assembly 4371768 EX350LCH-5 M2X210 provides stable torque transmission and efficient hydraulic-to-mechanical conversion for smooth and dependable excavator swing operation.
Item NO.:
4371768Order(MOQ):
1Payment:
T/T, WESTERN UNION, CHINESE BANK,PAYPALProduct Origin:
JAPANLead Time:
2-3 DAYSCompared with standard aftermarket swing devices, it improves gear engagement accuracy, reduces internal mechanical loss, and maintains consistent performance during continuous heavy-load excavation cycles. Designed for OEM/OEM-equivalent replacement supply, it supports bulk procurement and reliable compatibility across mining, quarrying, construction, and earthmoving applications.

| Item | Parameter Details |
|---|---|
| Main Part Number | 4371768 |
| Built-in Motor Model | M2X210 |
| Full Product Name | Excavator Swing Device Assembly, Swing Reduction Gearbox & Slewing Drive Motor Unit |
| Compatible Brand | HITACHI |
| Applicable Excavator Model | EX350LCH-5 Heavy Mining Excavator |
| Application | Upper body slewing rotary hydraulic drive system for large open-pit hard rock mining excavators |
| Raw Material | Extra thick high-strength alloy steel + oversized heavy wear-resistant bronze friction accessories |
| Surface Coating | Matte anti-rust industrial metallic gray coating |
| Operating Temperature Range | -22℃ ~ +58℃ |
| Core Function | Convert high-pressure heavy hydraulic power into stable ultra-heavy slewing torque to drive excavator upper body rotation for mountain stripping, mass hard rock excavation and large aggregate mining loading projects |
| Product Condition | 100% New Aftermarket / OEM Replacement / Remanufactured Optional |
| Export Packaging | Reinforced extra-thick wooden mine case / Heavy-duty carton / Neutral packing / Customized export package |

Ensures smooth swing rotation and reliable torque output under heavy workloads.

Improves power transfer efficiency and helps reduce internal wear.

Built for long-hour operation in demanding environments.

Matches 4371768 / M2X210 specifications for EX350LCH-5 systems.

FAQ
Q:Why Choose RITO?
A:Listed Factory
Stable&Reliable Quality
OEM Factory for Chinese Top Excavator Brands
Supplier to Fortune 500 Companies
Leave A Message
Scan to wechat :