Son just bought a 1993 F-250 to tow with and was wondering if it was possible to add dual rear wheels. 1993 F-250 7.3 dsl.,4 w.d.,extended cab,8 ft. box ,155 in. wheel base 4410lb. front axle 10 lug wheels 16 inch , 6084lb. rear axle 10 lug wheels 16 inch, 880... Login to read more.