Compatible with: This bottom roller is compatible with Kubota KX121-3 Mini Excavator, Kubota KX 121-3, Kubota KX 121-3 SS, Kubota KX 121-3 ST
Replace Part Number: RD118-21700, RD148-2170 bottom track roller
Easy to Install: The bottom rollers are easy to replace. New rollers can be installed without removing the rubber tracks from the machine. Each bottom roller is connected to the track frame with only two bolts. Do not over-tighten
High-quality Material: Our bottom roller is made of high-quality material, roller is not easily deformed and not easy to be damaged, and can be used for a long time
Kindly Note: Please kindly check whether this RD118-21700 bottom roller is suitable for your model before purchasing. If you have any questions, please let us know, and we will give you a satisfying solution