The swing reduction planetary gear with part number 20Y-26-22120 (20Y2622120) is designed to ensure power transmission in the swing system of Komatsu PC200-6, PC210-6, and PC240-6 excavator models.
Compatibility and Part Inspection
This component fits perfectly into the swing reduction gearbox group of the specified series. Before replacement, the tooth profile, module structure, and wear condition of the old gear must be carefully checked for compatibility with other gears in the swing transmission group.
- Matching tooth count and pitch ratios
- Bearing surfaces within the swing gearbox housing
- Shaft fit tolerances
To ensure the flawless operation of your current swing mechanism, confirm the serial compatibility of your machine with the part coded 20Y-26-22120 during the assembly phase after disassembly.
