I have 2016 Ram 1500 shortbox 5.7 3.91 gears 4x4. I also have a 2020 Alpha Wolf Approx 9000 lbs. I have a 14000 w d h. Last year I went from Green Bay to southern Ky. Trailer pulled perfectly. Didn't notice any sway, even when being passed by a semi. Gas mileage cut by more than half, but still...