Cat 3406 14.6 L Ultra Low Sulfur Diesel Engine, Air Conditioner, Cruise Control, Engine Brake, Eaton Fuller RTLO18913AP Manual Transmission, 12000 lb Front Axle, 36000 lb Rears, 3.55:1 Axle Ratio, 48000 lb GVWR, Air Ride Cab, 62 in Mid Roof Sleeper Cab, Bunk Beds, Aluminum Outer Wheels, 285/75R24.6 Front Tires, 285/75R24.5 Rear Tires, Air Ride Suspension, 235 in Wheelbase, PTO, ZackLift Z303KII Steel Wrecker Body, 20000 lb Winch Capacity, 35000 lb Boom Rating