What size tires??????
Hello alditom59-- The tire size for the 1999 Ford F259 truck varied by model. For example, the base 2WD model used size 255/70-16. The base 4WD used 245/75-16. If you need more information, refer to the following site and put in all your information-- http://www.tirerack.com/tires/TRSelectAutoMakeAndYear.jsp. Good luck from Bovan.
Also look in the glove box or on the drivers side door jamb, recommended tire sizes and air pressure are usually there.
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