1990 International 4600 Flatbed. The truck’s powerplant is a 7.3 V8 diesel engine with 169,657 miles. It has an automatic Allison transmission, mechanical brakes, air ride rear suspension, a 12-foot-long by 95 inch wide, to the pockets steel bed with racks, and a 236-inch wheel base, and measures 86″ inches from the back of the cab to the center of the rear wheels.