Facing rotary instability, hydraulic power fluctuation, or reduced swing efficiency in ZX270LC excavator fleets? For construction contractors, equipment distributors, and maintenance specialists, a dependable rotary drive system is essential to maintain machine productivity and reduce unexpected downtime. RITO ZX270LC Hydraulic Rotary Motor 4439418 delivers stable torque output and efficient hydraulic-to-rotational conversion for smooth and reliable excavator slewing performance.
Item NO.:
4439418Order(MOQ):
1Payment:
T/T, WESTERN UNION, CHINESE BANK,PAYPALProduct Origin:
JAPANLead Time：
2-3 DAYSCompared with standard aftermarket rotary motors, it provides consistent power transmission, stable slewing control, and reliable 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 Hydraulic Rotary Motor & Rotary Drive Slewing Device Assembly Swing Drive Motor |
| Compatible Brand | HITACHI |
| Applicable Excavator Model | ZX270LC Medium Long-Track Heavy Construction & Hard Rock Quarry Excavator |
| Application | Upper carriage slewing hydraulic drive system for rock crushing, highway foundation excavation, large 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 strong and reliable swing force for ZX270LC excavator operations.
Converts hydraulic pressure into controlled rotary movement with reliable efficiency.
Designed for long-term operation under demanding construction conditions.
Matches 4439418 / 4484557 / 4635680 specifications for ZX270LC systems.
FAQ
A:Listed Factory
Stable&Reliable Quality
OEM Factory for Chinese Top Excavator Brands
Supplier to Fortune 500 Companies
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