Mack MP8 6 Cylinder 12.8 L Diesel 415 hp Engine, 2013 US EPA Label, 1719 Engine hrs, Air Conditioner, Cruise Control, Power Windows, Engine Brake, Mack MDrive 12-Speed Automated Transmission, 12000 lb Front Axle, 40000 lb Rears, Meritor MT-40-14X4 Drive Axles, 3.36:1 Axle Ratio, Air Ride Cab, 60 in Flat Top Sleeper Cab, Aluminum Wheels, 285/75R24.5 Front Tires, 285/75R24.5 Rear Tires, Air Ride Suspension, 218 in Wheelbase, Air Sliding 5th Wheel