Cat 6 Cylinder Diesel Engine, Engine Brake, Eaton Fuller 8LL Manual Transmission, 16000 lb Front Axle, 40000 lb Rears, 56000 lb GVWR, 385/65R22.5 Front Tires, 11R22.5 Rear Tires, Dual Steering Boxes, Hendrickson Spring over Walking Beam Suspension, 236 in Wheelbase, PTO, 20 ft x 104 in Bed, Pintle Hitch, Hour Meter Reads 12016