Cummins ISM 10.8 L Diesel 370 hp Engine, 1997 US EPA Label, 5542.4 Engine hrs, Air Conditioner, Cruise Control, Engine Brake, Eaton Fuller 13-Speed Manual Transmission, 4-Speed Auxiliary Transmission, Differential Lock, 20000 lb Front Axle, 40000 lb Rears, 60000 lb GVWR, Aluminum Front Wheels, 425/65R22.5 Front Tires, 11R22.5 Rear Tires, Double Frame, Spring Suspension, PTO, Front Mounted, A-Outriggers, Rear Outriggers, Air Sliding 5th Wheel