What kind of fuel mileage can you expect

Judgerr wrote:
From a 2012 Dodge 6.7 Cummins, towing and non towing??

A little more info is needed to give you a good answer.

My 2011 RAM Dually with 36" MS weighs 28K combined. West coast towing border to border I-5 9.5 hand calc AVERGE. I have 3:42 gears. Solo freeway 70mph about 16mpg. Any stop and go will drip to 14.5.

Those are honest numbers I tow at 60-62.