Kubota KX 121-2 Lower Roller

This is the aftermarket replacement bottom roller for Kubota KX 61-2, 61-2SS, KX 121-2 (must verify serial), and KX 121-2SS mini excavators.

This roller fits the following models:

• KX 61-2
• KX 61-2 SS
• KX 71-2
• KX 91-2
• KX 121-2 (must verify serial number)
• KX 121-2 SS
• RX 302

 

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.

 

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Alternate Part Number:	Kubota dealer part number: RD101-99900, RD301-99900, RC101-21803, RC101-21800, RD101-21902,RC301-21902
Alternate Model:	The RD101-99900 roller is known to be interchangeable with the RC101-21803, and RD301-99900 for the KX61-2, KX71-2, KX91-2 and U35 models. (The U35-3 takes the RB511-21702)

View our other Kubota KX 61-2 undercarriage parts.

View our other Kubota KX 71-2 undercarriage parts.

View our other Kubota KX 91-2 undercarriage parts.

View our other Kubota KX 121-2 undercarriage parts.