Buy aftermarket replacement Kubota KX 121-2 bottom track rollers online and save. This roller also fits the Kubota RX302.
This is the aftermarket replacement bottom roller for Kubota KX 121-2 and RX302 mini excavators. The bottom rollers support and guide the machine on the track and carry the weight of the machine while it is traveling or digging. They are sold individually but we always encourage changing all worn bottom rollers at the same time to maximize the lifespan of the undercarriage.
Here is the complete line of undercarriage parts for the Kubota KX 121-2 including the rubber track, drive sprocket, bottom rollers, top rollers, and tension idler.