What are the max size tires the first gen truck can put on factory dually rims 235-85-16" are just so narrow? Does anyone make wider dually rims? I have seen 16"x6.5", but I am looking for a 16"x7" I really want to run 265-75-16" tires but minimum rim width is 7" for these.

I am also looking at serveral different tires, uniroyal Laredo HD/T, BFG comercial traction t/a, Mickey Thompson® Baja Radial MTZ, dunlop discovery stt.

Thanks
TK

 

The problem you'll run into isn't the width of the rim but the backspacing with a wider rim you need one with more backspacing so the dualls don't rub. I believe that 2nd gen wheels have more back spacing.

 

And, when you carry this back-spacing too far, the inside tire will rub the leaf-spring.

When you get radical with dual rim widths, you will have to run a deeper offset rim on the outside, and a not so offset rim on the inside.

Get the picture??

 

Well I am aready designing a 1" spacer to go between the tires. Put one dual on then the spacer. The spacer has an addtional set of lugs indexed 22.5 degrees to bolt the outside wheel to. If there would be internal clearance issue I wouldn't have an issue making four spacers (since I am machining them) bolt one spacer on the truck holding the drum on, bolt the first dual wheel and then second spacer on, then bolt the last dual wheel on. I guess if I was making four I could make six and move the front wheels out and 1" as well.

Has anbody out there run 265-75-16 on our 6" wide dual rims?

Thanks

 

In the welfare bucket of the world that I live in, we are called upon all the time to put 265-75-16 tires on standard dual rims.

Yes, they are hard against each other, not close---mashed together.

Yes, I know it is not advisable.

These people living on the edge of starvation will use anything that is given to them, or that they can pick up for cheap.

Many will use "P" rated tires on a truck/trailer and, then, load it like a semi.

As to your question, yes, 265-75-16 will fit on standard rims, and look decent; they will just lay against each other, when mounted as duals.