Cummins Signature 520 hp Engine, 15970 Engine hrs, Engine Brake, Eaton Fuller 18-Speed Transmission, 46000 lb Rears, 295/80R22.5 Front Tires, 11R22.5 Rear Tires, 8-Bag Air Ride Suspension, 4000 mm Wheelbase, GVM 26.5 t, GCM 90 t, A258526