Mack MP8 12.7 L Diesel Engine, Eaton Fuller 13-Speed Manual Transmission, 14320 lb Front Axle, 38000 lb Rears, 52320 lb GVWR, 315/80R22.5 Front Tires, 11R24.5 Rear Tires, 3 Steerable Air Lift Pusher Axle, Air Ride Suspension, 272 in Wheelbase, PTO, 19 ft Long x 4 ft High Steel Body, Round Bottom, Electric Roll Tarp, High-Lift Tailgate