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Allison MT643 governor/rear housing
Posted to HD/Fleet Forum on 11/9/2009 18 Replies

Hello HDF,

Has anyone had any experience with these transmissions, specifically the governor and it's output shaft drive gear?

We have a customer that brought us a 1999 Internatioanl 4700 with a "won't upshift from 1st" complaint. We verified the concern, ... Login to read more.

18 Replies Received (View Replies)