In the swing system of an excavator, rotational accuracy depends on how smoothly the hydraulic motor can maintain torque delivery under changing load conditions. The SG04E-028A / SG04E028A swing motor assembly is applied on SK120-3, SK120-5, 312B, 312C, and HD450 machines, where it supports continuous upper structure slewing with controlled force output.
Item NO.:
SG04E-028AOrder(MOQ):
1Payment:
T/T, WESTERN UNION, CHINESE BANK,PAYPALProduct Origin:
JAPANLead Time:
2-3 DAYS
| Part Number | SG04E-028A |
|---|---|
| Part Name | Swing Motor Assembly |
| Compatible Brand | Hyundai |
| Applicable Models | SK120-3, SK120-5, 312B, 312C, HD450 |
| Application | Excavator |
| Material | Heat-treated alloy steel + precision hydraulic structure |
| Product Color | Industrial grey |
| Working Temperature | -35°C to 130°C |
| Key Function | Converts hydraulic pressure into controlled rotation |
| Condition | 100% New, Aftermarket / OEM Quality |
| Packaging | Wooden Case/Reinforced Carton/Neutral Packing / Customized Box |

Helps maintain uniform swing force during continuous operation.

Reduces hesitation when switching swing directions.

Designed for long-hour construction and mining cycles.


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