In swing gearbox systems, failure of the carrier assembly usually begins with uneven planetary load movement, eventually causing rotational backlash, gear skipping, and abnormal upper-frame vibration. SA7118-23200 swing carrier assembly is designed for PC200-6, PC200-8, PC220-7, and PC220-8 excavators, acting as the central rotating support structure inside the swing reduction gearbox.
Item NO.:
SA7118-23200Order(MOQ):
1Payment:
T/T, WESTERN UNION, CHINESE BANK,PAYPALProduct Origin:
JAPANLead Time:
2-3 DAYS
| Part Number | SA7118-23200 |
|---|---|
| Part Name | Swing Carrier Assy |
| Compatible Brand | Volvo |
| Applicable Models | PC200-6 / PC200-8 / PC220-7 / PC220-8 |
| Application | Excavator |
| Material | High-Tensile Alloy Steel |
| Product Color | Dark Metallic Finish |
| Working Temperature | -40°C to 125°C |
| Key Function | Maintains planetary gear rotation balance within swing drive assembly |
| Condition | 100% New, Aftermarket / OEM Quality |
| Packaging | Wooden Case/Reinforced Carton/Neutral Packing / Customized Box |

Coordinates internal planetary gear rotation to reduce swing fluctuation during directional changes.

Helps redistribute concentrated rotational force across the gearbox carrier structure.

Provides stable positioning for planetary components operating under continuous cyclic loading.


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