6 Cylinder Ultra Low Sulfur Diesel Engine, Spicer 10-Speed Manual Transmission, 295/75R22.5 Front Tires, 295/75R22.5 Rear Tires, Spring Suspension, 172 in Wheelbase, 12 ft 4 in Body, Manual Stabilizers, Auto Crane 4000 lb 3 Section Hydraulic Crane, Challenge Air E-57 Gasoline Air Compressor