Directly affecting undercarriage performance in field operations, the part coded 22U-27-21110 is among the critical components that ensure torque transmission in the final drive system of excavators.
Fully compatible with the final drive units of Komatsu PC220-7, PC220-8, and PC228US-3 crawler excavators, this short pinion shaft adapts to reducer mechanisms operating under severe working conditions and high loads. During the installation of the part, attention must be paid to the cleanliness inside the reducer, and gear bearings and clearance limits should be checked according to the manufacturer's tolerance values.
To confirm system compatibility, you can compare the part number 22U-27-21110 or 22U2721110 on your removed old shaft with your machine's serial and parts catalog to place the correct order.
