Cummins ISX12 6 Cylinder 11.9 L Diesel 425 hp Engine, 2014 US EPA Label, 9448 Engine hrs, Air Conditioner, Cruise Control, Power Windows, Engine Brake, Eaton Fuller 8LL Manual Transmission, 13201 lb Front Axle, 40000 lb Rears, 53200 lb GVWR, Air Ride Cab, 36 in Flat Top Sleeper Cab, Aluminum Outer Wheels, 11R22.5, Paccar Air Ride Suspension, 224 in Wheelbase, PTO, Dual Fuel Tanks