6 Cylinder 6.7 L Diesel Engine, 2023 US EPA Label, Requires Diesel Exhaust Fluid, Automatic Transmission, 7000 lb Front Axle, 12000 lb Rears, 16500.0 lb GVWR, Dual Rear Wheel, 225/70R19.5, Spring Suspension, 199 in Wheelbase, 80 in Cab to Axle, 140 in Cab to End of Frame