Machine description: 6 Cylinder 6.7 L Diesel Engine, 6-Speed Manual Transmission, 7000 lb Front Axle, 13500 lb Rears, 19500 lb GVWR, 225/70R19.5, Spring Suspension, 197 in Wheelbase, 90 in Cab to Axle, 134 in Cab to End o... more info about the 2015 Ram 5500HD.