New undercarriage parts and rubber tracks are sold individually but we suggest replacing all of your worn parts at the same time.
This is the aftermarket replacement bottom track roller designed for the following Caterpillar mini excavators:
Hardware is not included so please save your original hardware when removing the old roller.
Please verify your serial number for the 301.5 models as there is another option for the early serial numbers under part number 139-6261.
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