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 bottom track roller for the following mini excavator models:
This bottom roller is designed to replace cat number 158-4765 and 340-8957.
There are eight rollers per machine for the Caterpillar® 304CR, and ten rollers per machine for the Caterpillar® 305CR and 304.5. These replacement rollers do not include the 10mm bolt required for installation.
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