Facing swing instability, hydraulic power loss, or reduced slewing efficiency in ZX280LC 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 4439418 ZX280LC delivers stable torque transmission and efficient hydraulic power conversion for smooth and reliable excavator swing performance.
Item NO.:
4439418Order(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 operation 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 | 4439418 |
| Cross OEM PN | 4484557, 4635680 |
| Full Product Name | Excavator Upper Swing Drive, Slewing Motor Swing Drive Rotary Unit Swing Drive Motor |
| Compatible Brand | HITACHI |
| Applicable Excavator Model | ZX280LC Medium Long-Track Heavy Construction & Hard Rock Quarry Excavator |
| Application | Upper carriage slewing hydraulic drive system for rock breaking, highway foundation excavation, commercial building construction and bulk aggregate loading projects |
| Raw Material | Thick forged high-strength alloy steel + medium heavy load wear-resistant bronze friction accessories |
| Surface Coating | Matte heavy 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 long-track excavator upper body for heavy civil engineering, 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 export packing / Customized excavator spare parts packaging |
Provides smooth and reliable upper structure rotation for ZX280LC excavator operations.
Converts hydraulic energy into controlled slewing movement with reliable efficiency.
Designed for long-term operation in demanding construction and earthmoving environments.
Matches 4439418 / 4484557 / 4635680 specifications for ZX280LC systems.
FAQ
A:Listed Factory
Stable&Reliable Quality
OEM Factory for Chinese Top Excavator Brands
Supplier to Fortune 500 Companies
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