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 for a Bobcat® mini excavator that originally came with steel tracks from the dealer. The center flange of the roller is flattened or squared off as opposed to the rubber track version of this roller which is rounded. This roller is known to fit models: 325, 328, and 331 based on the serial numbers below:
1-800-719-41601-800-719-4160 Contact
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