Detroit Series 60 12.7 L Diesel 500 hp Engine, US EPA Label, 3376 Engine hrs, Air Conditioner, Cruise Control, Power Windows, Engine Brake, Exhaust Brake, Eaton Fuller FRO-16210C 10-Speed Manual Transmission, Differential Lock, 12000 lb Front Axle, 40000 lb Rears, Spicer Drive Axles, 52000 lb GVWR, Air Ride Cab, Aluminum Outer Wheels, 11R24.5 Front Tires, 11R24.5 Rear Tires, Air Lift Tag Axle, Double Frame, Air Trac 4-Bag Air Ride Suspension, 270 in Wheelbase, PTO, Wet Kit, Air Sliding 5th Wheel