The RD101-99900 is a direct replacement for several Kubota OEM part number so this specific roller covers a wide range of the previous generation -2 series model mini excavators. 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:
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