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Is it possible to remove one tire on each side of a dually for narrowing the width? How much difference is there payload-wise? Would it basicly be a 3/4 ton? I have another bed that would fit it. My brother wants to do this on his truck, but he's too dang lazy to do the asking himself.
thanks
Is it possible to remove one tire on each side of a dually for narrowing the width?
Yes as far as tire width, but you will still have the dually fender flare to hit stuff with!
Payload wont change too much as far as I know. You will just have one 3-4K lb rated tire on each side instead of two. Its more a stability/blow out safety issue to have a dually.
I have done this several times before on 1992-1997 series F-350s.
It is super easy on those models, you didn't specify your trucks year.
It is still considered a 1-ton.(unless you have one of those rare F-250HD duallys) Ford made a whole lot of single rear wheel F-350s.
If you already have a bed, its an easy swap, but like I say, I don't know about any other years except 1992-1997.
I don't know about Dana rear axles, But if your '89 has the Ford/Sterling rear axle, it should be the same easy removal.
Take both tires off of one side and if you see something that looks to be just a round spacer with a groove about 4" in (for you to use a pry bar to seperate it, than after breaking it loose form many sides, it should slide off and you will have these super long studs that are threaded on one end, and accept threads on the other end, remove these spacer studs and you should have new un-used short studs to use for your single rear wheel application.
If it looks like some sort of big flange thing with studs that stick out from a lip ring, then you can't change it over easily.
I wish I had pictures to show you, it would be much simpler.
Its still worth taking apart to see. I do believe it could still be possiable to do this removal. Ford did this as a cost saving measure for ease of replacement. Its only on the older, and way newer years, (like '85 and back and 1999-and up) that they made duallys more permanant. Look and see, you might be suprised.