Cummins ISL 9 with Alison 4000 6 speed.
2014 Providence 42p pulling a toad. Combined total weight about 42000. Traveling on 70 through Utah. This rig really seams doggy. With cruse set on 65 it will pull down to 40 on evan the moderate gra...
Forum Discussion
wolfe10 wrote:
1500 RPM is 58 MPH in 6th gear per GPS.
Thanks. 55 is about as slow as I can go in rolling hills and keep it in 6th. On level ground I have to get up to 55 before mine will go into 6th. I can then slow down to 50 but anything slower and it will go to 5th.
