Rotational play and grinding gear teeth inside your SK135SR-3 show planetary carrier failure. Weak swing braking leads to dangerous positioning errors on tight urban jobsites, creating safety hazards.
Item NO.:
YY32W00004F1Order(MOQ):
1Payment:
T/T, WESTERN UNION, CHINESE BANK,PAYPALProduct Origin:
JAPANLead Time:
2-3 DAYSRestore snappy, stable rotation with this rugged SK135SR-3 swing reduction gearbox. Part YY32W00004F1 gives distributors an identical mechanical replacement to minimize repair times.

| Part Number | YY32W00004F1 |
|---|---|
| Part Name | Excavator Swing Reduction Gearbox Slewing Device Assembly |
| Compatible Brand | Kobelco |
| Applicable Models | SK135SR-3, SK135SR Small Tail Swing Excavators |
| Application | Excavator hydraulic system |
| Material | High-Strength Forged Alloy Steel |
| Product Color | Matte Black |
| Working Temperature | -25 to 100 degrees Celsius |
| Key Function | Planetary Speed Reduction and Upper Carriage Swing Torque Multiplication |
| Condition | 100% New, Aftermarket / OEM Quality |
| Packaging | Wooden Case/Reinforced Carton/Neutral Packing / Customized Box |

Absorb sudden counter-swing braking forces without tooth pitting to maximize transmission longevity.

Resists heavy structural twisting and micro-cracking under intense cyclic excavation loads.

Maintain tight pinion gear alignment to eliminate unexpected house drift during sloping.


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