Mack MP8 6 Cylinder 12.8 L Diesel 505 hp Engine, 2016 US EPA Label, Requires Diesel Exhaust Fluid, Automated Transmission, 12000 lb Front Axle, 40000 lb Rears, 52000 lb GVWR, 11R22.5, Air Ride Suspension, 181 in Wheelbase, PTO, 14 ft Long x 4 ft High Steel Body, Electric Roll Tarp