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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Your peak torque RPM is at 1,300 RPM. Do NOT run at high throttle positions below that engine speed.
When climbing with the same drivetrain, I pretty much run at 1.500 RPM. Same RPM for cruising-- it gives the best MPG.
But, your coach is a LOT heavier than mine, so you will not have the same performance.
When climbing with the same drivetrain, I pretty much run at 1.500 RPM. Same RPM for cruising-- it gives the best MPG.
But, your coach is a LOT heavier than mine, so you will not have the same performance.
