International V8 Diesel Engine, Spicer 5-Speed Manual Transmission, 6000 lb Front Axle, 15500 lb Rears, 21500.0 lb GVWR, 245/75R22.5 Front Tires, 245/75R22.5 Rear Tires, Spring Suspension, 176 in Wheelbase, x 96 in Wide x Body