Facing swing gearbox wear, unstable rotation, or reduced slewing efficiency in ZX600 excavator fleets? For mining contractors, heavy equipment distributors, and maintenance specialists, a reliable swing device assembly is essential to maintain machine productivity and reduce costly downtime. RITO Swing Device Assembly 4440388 ZX600 provides stable torque transmission and efficient hydraulic power conversion for smooth and dependable excavator swing operation in demanding working environments.
Item NO.:
4440388Order(MOQ):
1Payment:
T/T, WESTERN UNION, CHINESE BANK,PAYPALProduct Origin:
JAPANLead Time:
2-3 DAYSCompared with standard aftermarket swing reduction gearbox units, it delivers reliable gear engagement, efficient rotary power transfer, and consistent performance during continuous heavy-load excavation cycles. Designed for OEM/OEM-equivalent replacement supply, it supports bulk procurement and dependable compatibility across mining, quarrying, construction, and large-scale earthmoving applications.

| Item | Parameter Details |
|---|---|
| Main Part Number | 4440388 |
| Cross OEM PN | 9191671, 9209335 |
| Full Product Name | Excavator Swing Device Assembly, Swing Reduction Gearbox Slewing Device Swing Drive Motor |
| Compatible Brand | HITACHI |
| Applicable Excavator Model | ZX600 Large Heavy-Duty Open-Pit & Hard Rock Quarry Excavator |
| Application | Upper carriage slewing hydraulic drive system for large earthmoving, hard rock excavation, mine ore loading and bulk aggregate stockyard operation |
| Raw Material | Extra thick forged high-strength alloy steel + heavy load wear-resistant bronze friction accessories |
| Surface Coating | Heavy-duty matte anti-rust industrial gray coating for corrosion resistance |
| Operating Temperature Range | -22℃ ~ +58℃ |
| Core Function | Convert high hydraulic pressure into stable heavy slewing torque to rotate large excavator upper body for high-intensity heavy construction and open-pit mining projects |
| Product Condition | 100% New Aftermarket / OEM Replacement / Remanufactured Optional |
| Export Packaging | Reinforced heavy solid wooden mining-grade case / Steel frame reinforced carton / Neutral packing / Customized heavy excavator spare parts export package |

Provides powerful and stable output torque for ZX600 excavator upper structure rotation.

Enhances power transfer efficiency and supports smoother slewing operation under heavy loads.

Designed for long-hour operation in demanding mining and construction environments.

Matches 4440388 / 9191671 / 9209335 specifications for ZX600 systems.

FAQ
A:Listed Factory
Stable&Reliable Quality
OEM Factory for Chinese Top Excavator Brands
Supplier to Fortune 500 Companies
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