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

Ford V8 7.3 L Diesel Engine, Air Conditioner, Cruise Control, Manual Transmission, 6000 lb Front Axle, 13500 lb Rears, 17500 lb GVWR, 225/70R19.5 Front Tires, 225/70R19.5 Rear Tires, Spring Suspension, 165 in Wheelbase, PTO, 13 ft Body, Manual Stabilizers, 3 Section Hydraulic Crane