Facing swing gearbox wear, unstable rotation, or reduced slewing efficiency in ZX350K excavator fleets? For construction contractors, mining operators, equipment distributors, and maintenance specialists, reliable swing reduction systems are essential to maintain productivity and reduce costly downtime. RITO Excavator Swing Reduction Gearbox 4419718 ZX350K M5X180 provides stable torque transmission and efficient hydraulic power conversion for smooth and dependable excavator swing operation.
Item NO.:
4419718Order(MOQ):
1Payment:
T/T, WESTERN UNION, CHINESE BANK,PAYPALProduct Origin:
JAPANLead Time：
2-3 DAYSCompared with standard aftermarket swing reduction gearboxes, it improves gear engagement stability, reduces mechanical power 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 construction, quarrying, mining, and heavy earthmoving applications.
| Item | Parameter Details |
|---|---|
| Main Part Number | 4419718 |
| Cross OEM PN | 9204194 |
| Built-in Hydraulic Motor Model | M5X180 |
| Full Product Name | Excavator Swing Reduction Gearbox, Rotary Motor Assembly Slewing Drive Unit Swing Drive Motor |
| Compatible Brand | HITACHI |
| Applicable Excavator Model | ZX350K Medium-Large Heavy-Duty Quarry & Mountain Excavator |
| Application | Upper carriage slewing hydraulic drive system for rock breaking, mountain excavation, large foundation and bulk aggregate loading projects |
| Raw Material | Thick high-strength alloy steel + heavy wear-resistant bronze friction accessories |
| Surface Coating | Matte anti-rust industrial metallic gray coating |
| Operating Temperature Range | -22℃ ~ +58℃ |
| Core Function | Convert medium-high hydraulic pressure into stable heavy slewing torque to rotate excavator upper body for quarry mining, hard rock excavation and large-scale material stockpiling |
| Product Condition | 100% New Aftermarket / OEM Replacement / Remanufactured Optional |
| Export Packaging | Standard solid wooden heavy-duty case / Reinforced industrial carton / Neutral packing / Customized export package |
Provides strong and stable swing output for ZX350K upper structure rotation.
Enhances power transfer efficiency and helps reduce internal wear during operation.
Designed for long-hour operation in demanding construction and mining environments.
Matches 4419718 / M5X180 / 9204194 specifications for ZX350K 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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