Facing swing instability, hydraulic power loss, or reduced slewing efficiency in ZX230 excavator fleets? For construction contractors, equipment distributors, and maintenance specialists, a dependable upper swing drive is essential to maintain machine productivity and reduce unexpected downtime. RITO Excavator Upper Swing Drive 4423851 ZX230 M5X130 delivers stable torque transmission and efficient hydraulic power conversion for smooth and reliable excavator swing performance.
Item NO.:
4423851Order(MOQ):
1Payment:
T/T, WESTERN UNION, CHINESE BANK,PAYPALProduct Origin:
JAPANLead Time:
2-3 DAYSCompared with standard aftermarket swing drive units, it provides reliable rotary control, optimized power transfer, and 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 Upper Swing Drive, Slewing Motor Swing Drive Rotary Unit Swing Drive Motor |
| Compatible Brand | HITACHI |
| Applicable Excavator Model | ZX230 Medium Construction & Small Quarry Excavator |
| Application | Upper carriage slewing hydraulic drive system for municipal engineering, medium rock breaking, residential foundation excavation and 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 construction, rock excavation and 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 smooth and reliable upper structure rotation for ZX230 excavator operations.

Converts hydraulic energy into controlled slewing motion with reliable efficiency.

Designed for long-term operation in demanding construction environments.

Matches 4423851 / M5X130 / 9204193 specifications for ZX230 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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