We have a 2012 Ram 3500, Mega Cab 4x4, with the Cummins 6.7, 3.73, and DRW. The truck has GVWR of 10,500 lbs and a GCWR of 21,000 lbs.
When fully loaded (two adults; two kids; gear; four, five gallon diesel cans; and the hitch and pin weight), the truck is right at its GVWR. Our 5th wheel is a...