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22U-26-21530 18T Swing 2nd Sun Gear for Komatsu PC200-7

  • 22U-26-21530 18T Swing 2nd Sun Gear for Komatsu PC200-7

  • Komatsu PC200-7 Swing Reduction Sun Gear 22U-26-21530

  • 22U-26-21530 Swing 2nd Sun Gear 18 Teeth

22U-26-21530 Swing 2nd Sun Gear 18T for Komatsu Excavator PC200-7 PC200LC-7

Part Number: 22U-26-21530
Product Name: Swing 2nd Sun Gear
Teeth: 18T
MOQ: 1 PIECE
Warranty: 6 months
System: Swing Reduction Gearbox
Application: Komatsu PC200-7, PC200LC-7

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Product Description

22U-26-21530 Swing 2nd Sun Gear

22U-26-21530 is an 18-tooth second-stage sun gear used in the swing reduction gearbox of Komatsu PC200-7 and PC200LC-7 excavators. It works with the second-stage planetary gears and carrier to transmit torque through the swing reduction assembly.

This gear is identified by its OEM part number and 18T configuration. When replacing a damaged swing sun gear, confirm the original part number and gearbox configuration rather than relying only on the excavator model.

Inspection and Replacement

Inspect the gear teeth for pitting, chipping, scoring and uneven contact marks. Excessive wear on the sun gear can also indicate damage or clearance problems in the matching planetary gears, carrier bearings or ring gear.

Before installation, compare the tooth count, overall dimensions and spline configuration with the removed gear. Related swing reduction components should also be checked if metal particles or abnormal gearbox noise are present.

Fitment and Configuration

22U-26-21530 is used as the second-stage sun gear in selected Komatsu PC200-7 and PC200LC-7 swing machinery configurations. It should not be confused with the smaller first-stage sun gear used in the same reduction assembly.

For accurate parts confirmation, provide the excavator model, machine serial number, original OEM number and photos of the removed gear when available.

Topvelsun Support

Topvelsun supplies swing reduction gears and related excavator drivetrain parts with 1-piece MOQ and a 6-month warranty. Contact us with your OEM number or swing gearbox details for parts verification before ordering.


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