Facing swing instability, hydraulic response delay, or reduced slewing performance in ZX280LCN excavator fleets? For construction contractors, equipment distributors, and maintenance specialists, a reliable swing motor assembly is essential to maintain machine efficiency and reduce unexpected downtime. RITO 4439418 Swing Motor Assembly ZX280LCN delivers stable torque output and efficient hydraulic-to-rotational conversion for smooth and dependable excavator slewing operation.
Item NO.:
4439418Order(MOQ):
1Payment:
T/T, WESTERN UNION, CHINESE BANK,PAYPALProduct Origin:
JAPANLead Time:
2-3 DAYSCompared with standard aftermarket swing motor assemblies, it provides consistent power transmission, stable rotary control, and reliable 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 | 4439418 |
| Cross OEM PN | 4484557, 4635680 |
| Full Product Name | Excavator Hydraulic Slewing Motor Rotary Drive Unit Swing Motor Assembly Slewing Drive |
| Compatible Brand | HITACHI |
| Applicable Excavator Model | ZX280LCN Medium Narrow Long-Track Heavy Construction & Hard Rock Quarry Excavator |
| Application | Upper carriage slewing hydraulic drive system for rock breaking, road 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 narrow 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 strong and reliable swing force for ZX280LCN excavator operations.

Converts hydraulic pressure into controlled slewing movement with reliable efficiency.

Designed for long-term operation in demanding construction environments.

Matches 4439418 / 4484557 / 4635680 specifications for ZX280LCN systems.

FAQ
A:Listed Factory
Stable&Reliable Quality
OEM Factory for Chinese Top Excavator Brands
Supplier to Fortune 500 Companies
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