Ahhh horsecrap CF, My dad had a dodge, pulling a work trailer daily, two trans replaced,,, Mechic Had three main shafts, ford size of my thumb, dodge about diameter of a golf ball, Chevy big as a beet can! he has a 6.6 Duramax Turbo diesel 3500 dually with Allison 6 speed trans 05' with 225000 miles still running as strong as day one, more umph than my 03' 5.3 chevy and better has milage too, even pulling an 18' trailer he gets 17 MPG, did i mention seamless smooth steady raw pulling power?????