Cummins ISC-300 6 Cylinder Diesel 300 hp Engine, Requires Diesel Exhaust Fluid, 13014 Engine hrs, Air Conditioner, Cruise Control, Power Windows, Allison 3500 6-Speed Automatic Transmission, 10000 lb Front Axle, 23000 lb Rears, Meritor Drive Axles, 5.38:1 Axle Ratio, 33000.0 lb GVWR, Air Ride Cab, 315/80R22.5 Front Tires, 12R22.5 Rear Tires, Spring Suspension, 252 in Wheelbase