V8 6.7 L Diesel Engine, 2018 US EPA Label, Requires Diesel Exhaust Fluid, Automatic Transmission, 5250 lb Front Axle, 10040 lb Rears, 5:1 Axle Ratio, 14000 lb GVWR, 245/75R17, Spring Suspension, 179 in Wheelbase, 60 in Cab to Axle, 108 in Cab to End of Frame