dude i have an 03 dodge ram 1500 5.7hemi 4x4 quad cab short bed with a class a hitch stock from factory... i pull about 9,000lbs monday through friday... i have a 21ft inclosed trailer, 4-56inch zero turn tractors and multipule bull**** also sometimes a load of dirt and or debree estimated weight is around about 9,000lbs and sometimes more...no problems pulling it only thing i would recomend if you dont have is an electronic break controler and a set of trailer stabelizers to keep the load from swaying...