Tire size difference
Going to be getting new tires for a Ram 3500 that hauls a 3200lb hardside truck camper. The stock Firestone Transforce tire size is 275/70/18. I am going to be replacing these with Cooper AT3 tires an...
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Bingo! Actual tire dimensions - for a given size - vary widely from one brand/model to another. And they also vary depending on the wheel width they are mounted on.
A 295 tire is theoretically 295mm wide but they aren't really that accurate.
Good point.
A load carrying tire needs a wheel width that closely matches the tires tread width. This insures a flat running tread and more important is this insures the ideal position of the sidewall (verticle) for carrying a heavy load all day long at highway speeds.
I have no idea how wide the OP OEM wheels are but the 295/ AT3 Cooper shows a 9.43 tread width. A 9" wide wheel would be ideal for carrying heavy loads.
