Facing swing instability, hydraulic power loss, or rotary drive wear in EX1800-3 excavator fleets? For mining operators, heavy equipment distributors, and maintenance specialists, reliable swing components are essential to maximize uptime and maintain large-scale excavation efficiency. RITO 4394900 Swing Motor Assembly EX1800-3 delivers strong torque output and efficient hydraulic-to-rotational conversion for smooth and dependable slewing performance in demanding working environments.
Item NO.:
4394900Order(MOQ):
1Payment:
T/T, WESTERN UNION, CHINESE BANK,PAYPALProduct Origin:
JAPANLead Time：
2-3 DAYSCompared with standard aftermarket swing motor assemblies, it provides stable power transmission, reduced mechanical loss, and consistent operation under continuous heavy-load conditions. Designed for OEM/OEM-equivalent replacement supply, it supports bulk procurement and reliable compatibility across mining, quarrying, and large earthmoving applications.
| Item | Parameter Details |
|---|---|
| Main Part Number | 4394900 |
| Cross OEM PN | 4411082, 4440905 |
| Full Product Name | Excavator Hydraulic Slewing Motor Rotary Drive Unit Slewing Drive Assembly |
| Compatible Brand | HITACHI |
| Applicable Excavator Model | EX1800-3 Giant Ultra-Large Open-Pit Mining Excavator |
| Application | Upper body slewing rotary hydraulic drive system for super-large hard rock overburden mining projects |
| Raw Material | Extra thick high-strength alloy steel + oversized heavy wear-resistant bronze friction accessories |
| Surface Coating | Matte anti-rust industrial metallic gray coating |
| Operating Temperature Range | -22℃ ~ +58℃ |
| Core Function | Convert ultra-high-pressure heavy hydraulic power into stable super-heavy slewing torque to drive giant excavator upper body rotation for mountain stripping, mass hard rock excavation and super-large aggregate mining loading |
| Product Condition | 100% New Aftermarket / OEM Replacement / Remanufactured Optional |
| Export Packaging | Reinforced extra-thick solid wooden mine-grade case / Heavy-duty industrial carton / Neutral packing / Customized mine export package |
Provides powerful and stable rotary force for large excavator operations.
Improves transfer efficiency from hydraulic pressure to controlled swing movement.
Designed for continuous operation in mining and extreme working environments.
Matches 4394900 / 4411082 / 4440905 specifications for EX1800-3 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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