Mack EA7 427 hp Engine, 15046 Engine hrs, Engine Brake, Eaton Fuller 18-Speed Transmission, 40000 lb Rears, 295/80R22.5 Front Tires, 11R22.5 Rear Tires, Air Ride Suspension, 5400 mm Wheelbase, PTO, Hydraulic System, GVM 23.5 t, GCM 45 t