The 20Y-26-13221 (20Y2613221) swing planetary gear is among the critical transmission components that support the efficient and stable operation of the swing system in Komatsu machinery.
The product is designed to perfectly fit the transmission and swing mechanisms of PC200-5, PC220-5, and PC240-5 model excavators. During such planetary gear replacements, checking the condition of other wear-exposed gear groups and bearing elements directly preserves the overall service life of the drive group.
You can complete your correct swing planetary gear selection by confirming the 20Y-26-13221 part number for your compatible PC200-5, PC220-5, and PC240-5 machines.