Duramax and towing a 10600lb 5th wheel
This is a question about the trans. Should I just leave the truck in "D" and go or should I be in manual mode and restrict it to 5th gear? The truck seems to be laboring on slight uphill grades but wi...
Forum Discussion
blt2ski wrote:
Bear has a Kodiak MDT d/a combo. As such, he is always in t/h mode. He has no normal mode! No different than those of us with 90's style gm pickups. The 4l80e trans does not have a t/h mode either. You have to get a 2000+ model to get this trans with a t/h option.
It is also possible depending upon gvwr of bears rig, he may not have the 1000 series. But a 2000 series if he has a dot class six 19501-26k 5500 model. The 19500 gvwr 5500 has the 1000 same as the 2500hd to 4500 models.
March
I figured your answer was the reason but I didn't know for sure. Same for the Allison 1000 installed on a MH. MH is always towing.
chevman
