Cummins 6 Cylinder 6.7 L Diesel Engine, 2017 US EPA Label, Requires Diesel Exhaust Fluid, 1892 Engine hrs, Automatic Transmission, 7000 lb Front Axle, 13500 lb Rears, 19000.0 lb GVWR, 225/70R19.5, Spring Suspension, 174 in Wheelbase, 60 in Cab to Axle, 112 in Cab to End of Frame .