Aftermarket replacement upper carrier roller for Kubota excavators. This undercarriage part fits Kubota KX 121-3. Original part number is: RD148-21700.
Our OEM approved undercarriage products are processed by NC lathes as well as CNC lathing to ensure overall dimension and stability accuracy. By utilizing robotic welding and friction welding perfection is guaranteed in the assembly of the products. The floating seals and vacuum injected lubrication of seals strictly enforces air pressure tightness and load bearing rotation to improve the performance of the parts.