Cummins ISX15 6 Cylinder 15 L Diesel 485 hp Engine, 2013 US EPA Label, 7561 Engine hrs, Air Conditioner, Cruise Control, Power Windows, Engine Brake, Eaton Fuller 8LL Manual Transmission, 12000 lb Front Axle, 40000 lb Rears, 4.11:1 Axle Ratio, 52000 lb GVWR, Air Ride Cab, Aluminum Wheels, 11R22.5 Front Tires, 11R22.5 Rear Tires, Air Trac Air Ride Suspension, 228 in Wheelbase, PTO, Wet Kit