On mining and construction sites, swing system instability often escalates into uneven rotation, hydraulic stress, and excessive component wear across the drive system.
Item NO.:
21W-26-00100Order(MOQ):
1Payment:
T/T, WESTERN UNION, CHINESE BANK,PAYPALProduct Origin:
JAPANLead Time:
2-3 DAYSRITO 21W-26-00100 Swing Gearbox PC60-8 PC78US-6 PC78UU-6 PC78MR-6 Excavator Slewing Reduction Device Swing Motor Assembly delivers reinforced rotational transmission architecture, ensuring the machine maintains predictable swing response even under repetitive heavy-load cycles.

| Part Number | 21W-26-00100 |
|---|---|
| Part Name | Swing Motor |
| Compatible Brand | Komatsu |
| Applicable Models | PC60-8, PC78US-6, PC78UU-6, PC78MR-6 |
| Application | Excavator |
| Material | Heat-treated alloy steel + reinforced casting |
| Product Color | Industrial Grey |
| Working Temperature | -40°C to 120°C |
| Key Function | Slewing motion control and gearbox torque reduction |
| Condition | 100% New, Aftermarket / OEM Quality |
| Packaging | Wooden Case/Reinforced Carton/Neutral Packing / Customized Box |

Helps normalize swing movement when machines show hesitation or jerky upper structure motion.

Improves internal power delivery between hydraulic motor and final reduction system for smoother response.

Supports multiple PC-series excavators, reducing inventory pressure for distributors and wholesalers.


FAQ
A: We provide original, OEM, and high-quality aftermarket versions with stable supply capability.
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A:Listed Factory
Stable&Reliable Quality
OEM Factory for Chinese Top Excavator Brands
Supplier to Fortune 500 Companies
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