Cat C13 6 Cylinder 12.5 L Diesel 525 hp Engine, 2005 US EPA Label, Air Conditioner, Cruise Control, Power Windows, Meritor Manual Transmission, 12000 lb Front Axle, 20000 lb Rears, 32000 lb GVWR, Air Ride Cab, 295/75R22.5 Front Tires, 295/75R22.5 Rear Tires, Air Ride Suspension, 152 in Wheelbase, Dual Fuel Tanks