Allison 2500
I hope this is not too vague. We have a 2014 Fleetwood Excursion 33D with the 300 HP Cummins and (what I think is a) Allison 2500 transmission. We bought it new off the lot in March or 2016 and it...
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you should always shift to neutral before shifting to drive or reverse. You will need to take it to a Freightliner or Allison dlr to trouble shoot your problem though as rv dlr's in general dont work on the chassis.
