Part number 03912-00100 and 04612-01100 are replacement carrier rollers for the Takeuchi TB250 and previous generation TB145 mini excavator models. Carrier rollers are simple to install and you can re-use the existing set screw to replace your rollers without completely removing the rubber track from the machine. This is the aftermarket top carrier roller for the following Takeuchi mini excavators:
This is the smallest roller on the undercarriage that is located at the top of the undercarriage which supports the rubber track from sagging down as it rotates. This roller fits the TB53FR models with serials 15810005-15811324.
This carrier roller (03912-00100, 04612-01100) is known to fit:
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