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...
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I-70 has some pretty steep grades east of Richfield, Utah, and 42K lbs for a coach is a lot of weight for an ISL Cummins. So you can expect it to slow down going up those grades.
Now the down shifting is of concern because Allison transmissions will down shift accordingly.
Now the down shifting is of concern because Allison transmissions will down shift accordingly.
