Facing swing gearbox wear, unstable rotation, or reduced slewing efficiency in ZX450H excavator fleets? For mining contractors, heavy equipment distributors, and maintenance specialists, dependable swing device assemblies are critical for maintaining productivity and reducing costly downtime. RITO Swing Device Assembly 4423009 ZX450H M5X130 provides stable torque transmission and efficient hydraulic power conversion for smooth and reliable excavator swing operation in demanding working environments.
Item NO.:
4423009Order(MOQ):
1Payment:
T/T, WESTERN UNION, CHINESE BANK,PAYPALProduct Origin:
JAPANLead Time：
2-3 DAYSCompared with standard aftermarket swing reduction gearboxes, it delivers consistent rotary performance, improves gear engagement stability, and helps maintain reliable operation 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 | 4423009 |
| Cross OEM PN | 9180778, 9180776 |
| Built-in Hydraulic Motor Model | M5X130 |
| Full Product Name | Excavator Swing Device Assembly, Swing Reduction Gearbox Slewing Device Slewing Drive |
| Compatible Brand | HITACHI |
| Applicable Excavator Model | ZX450H Large Heavy-Duty Open-Pit Mining Excavator |
| Application | Upper carriage slewing hydraulic drive system for open-pit stripping, hard rock mining, large foundation excavation and bulk aggregate loading 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 high hydraulic pressure into stable powerful heavy slewing torque to drive large excavator upper body rotation for mountain stripping, large-scale rock excavation and bulk material stockpiling |
| 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 large mining export package |
Provides powerful and stable output torque for ZX450H upper structure rotation.
Enhances power transfer efficiency and supports smoother slewing operation.
Designed for long-term use in demanding mining and construction environments.
Matches 4423009 / M5X130 / 9180778 / 9180776 specifications for ZX450H 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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