the "standard" wheel/tire size depended on GVW, the base GVW [4000-4300#] is 15", medium GVW was 16's and the highest GVW 1/2T was 17.5 - glovebox book .... you won't have much choice available in the 17.5's

Bill


Moved over to the Passing Lane

"When we tug a single thing in nature we find it attached to the rest of the world" John Muir
"When we tug a single thing on an old truck, we find it falls off" me
Some TF series details & TF heater pics & Rust-a-holics Unanimous parking lot