I currently have a 1994 Chevy CrewCab Dually 2wd with the "famous" 6. 5LTD and 480LE. It gets me around but I am going to use this to tow around 10,000-14,000#'s in an enclosed car hauler (lots of drag) on the interstate. Due the 6. 5's past history I don't count on making any record of how many...