Facing swing gearbox wear, unstable rotation, or reduced slewing efficiency in ZX240LCK excavator fleets? For construction contractors, equipment distributors, and maintenance specialists, a reliable swing reduction gearbox is essential to maintain machine productivity and reduce costly downtime. RITO Excavator Swing Reduction Gearbox 4423851 ZX240LCK M5X130 provides stable torque transmission and efficient hydraulic power conversion for smooth and dependable excavator swing operation in demanding working environments.
Item NO.:
4423851Order(MOQ):
1Payment:
T/T, WESTERN UNION, CHINESE BANK,PAYPALProduct Origin:
JAPANLead Time：
2-3 DAYSCompared with standard aftermarket swing reduction gearbox units, it improves gear engagement stability, enhances rotary power transfer, and maintains consistent performance during continuous excavation cycles. Designed for OEM/OEM-equivalent replacement supply, it supports bulk procurement and dependable compatibility across construction, quarrying, utility, and earthmoving applications.
| Item | Parameter Details |
|---|---|
| Main Part Number | 4423851 |
| Cross OEM PN | 9204193 |
| Built-in Hydraulic Motor Model | M5X130 |
| Full Product Name | Excavator Swing Reduction Gearbox, Rotary Motor Assembly Slewing Drive Unit Hydraulic Motor |
| Compatible Brand | HITACHI |
| Applicable Excavator Model | ZX240LCK Medium Long-Track Heavy-Duty Construction & Small Quarry Excavator |
| Application | Upper carriage slewing hydraulic drive system for rock breaking, municipal foundation engineering, road construction and bulk aggregate loading projects |
| Raw Material | Thick high-strength alloy steel + medium 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 medium-heavy slewing torque to rotate excavator upper body for urban heavy construction, rock excavation and bulk material stockpiling |
| Product Condition | 100% New Aftermarket / OEM Replacement / Remanufactured Optional |
| Export Packaging | Standard solid wooden medium-duty case / Reinforced industrial carton / Neutral packing / Customized export package |
Provides strong and stable swing output for ZX240LCK upper structure rotation.
Improves power transfer efficiency and supports smoother slewing operation.
Designed for long-term performance in demanding construction environments.
Matches 4423851 / M5X130 / 9204193 specifications for ZX240LCK 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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