Caterpillar® 307 308 E70B Upper Carrier Roller

This is the replacement aftermarket top upper carrier roller for the following Caterpillar^® mini excavators:

• Cat 306
• Cat 307
• Cat 307C
• Cat 307CSB
• Cat 307D
• Cat 308
• Cat E70B
• Cat 308CCR
• Cat 308DCR
• Cat 308DCR SB

There is one carrier roller per side on these Caterpillar^® models and it is located in the center of the undercarriage at the top holding up the track and preventing it from sagging into the track frame. This carrier roller is interchangeable among these part numbers: 102-8076, BA4300200, 277-8576, 333-5602