i have a 2011 chevy 3500 hd reg cab 4x4 srw 6.0l i have 20k on it had it a little over a year last truck was a 3/4 225k miles on it not many problems i pulled up to 20k gcvwr on my 3500hd my truck wieghts 6600ibs dry i dont care what brand truck it is they all have a few problen now and a again