Used in the swing transmission systems of Komatsu construction machinery, this component with part number 206-26-73120 serves as a housing for the sealing elements of the swing mechanism. To ensure part compatibility in the construction equipment industry, it is necessary to compare the reference numbers 206-26-73120 and 2062673120 with the removed part on your machine.
Compatible excavator series include PC220-7, PC220-8, PC270-8, PC290LC-10, and PC240-8 models. When replacing swing group components, the cleanliness of the mounting housings and tightening the connection bolts to the correct torque values directly affect the operating lifespan.
For system safety and complete sealing, it is important to confirm the part catalog codes of the relevant model before replacing the swing transmission seal housing.