Ensuring the safety of excavator slewing movements during field operations, the 706-7G-91120 part number Komatsu PC200 swing motor brake piston plays a critical role in hydraulic pressure control. Located in the swing assembly of crawler machines such as the PC200-8, PC240-10, PC290-8, and PC210LC-10, this component directly affects the stopping and braking performance of the system.
For accurate part matching during hydraulic system repairs, it is recommended to compare the 706-7G-91120 (or 7067G91120) reference code with the old part on your machine and service documents. Inspecting the brake discs, springs, and sealing elements together during swing motor overhauls ensures a proper assembly process.
To ensure full compatibility with your machine's swing hydraulic valve group and brake block, you can verify the 706-7G-91120 code using your excavator's serial number before ordering.
