Facing rotary instability, hydraulic power fluctuation, or swing drive wear in ZX850H excavator fleets? For mining contractors, heavy equipment distributors, and maintenance specialists, reliable rotary drive components are essential to maintain large excavator productivity and reduce unexpected downtime. RITO ZX850H Hydraulic Rotary Motor 4388207 M2X210 delivers stable torque output and efficient hydraulic-to-rotational conversion for smooth and dependable swing operation.
Item NO.:
4388207Order(MOQ):
1Payment:
T/T, WESTERN UNION, CHINESE BANK,PAYPALProduct Origin:
JAPANLead Time：
2-3 DAYSCompared with standard aftermarket rotary motors, it improves power transmission stability, reduces mechanical loss, and maintains consistent performance during continuous heavy-duty excavation cycles. Designed for OEM/OEM-equivalent replacement supply, it supports bulk procurement and reliable compatibility across mining, quarrying, construction, and large-scale earthmoving applications.
| Item | Parameter Details |
|---|---|
| Main Part Number | 4388207 |
| Cross OEM PN | 9212745 |
| Built-in Motor Model | M2X210 |
| Full Product Name | Excavator Hydraulic Rotary Motor & Rotary Drive Slewing Device Assembly Swing Drive Motor |
| Compatible Brand | HITACHI |
| Applicable Excavator Model | ZX850H Ultra-Large Heavy-Duty Open-Pit Mining Excavator |
| Application | Upper body slewing rotary hydraulic drive system for giant hard rock overburden mining projects |
| 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 ultra-high-pressure heavy hydraulic power into stable super-heavy slewing torque to drive excavator upper body rotation for mountain stripping, mass hard rock excavation and ultra-large aggregate mining loading projects |
| Product Condition | 100% New Aftermarket / OEM Replacement / Remanufactured Optional |
| Export Packaging | Reinforced extra-thick solid wooden mine-grade case / Heavy-duty industrial carton / Neutral packing / Customized customer export package |
Provides reliable swing force for large excavator operations.
Enhances transfer from hydraulic pressure to controlled rotary movement.
Built for long-hour operation in demanding mining and construction environments.
Matches 4388207 / M2X210 / 9212745 specifications for ZX850H systems.
FAQ
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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