There are a few 20" tires out there rated at just under 4k. Most are 35x13.5 IIRC. That makes duals hard. Your Going to get wide in the rear with that big of duals.I have a 36 foot motorhome on a 2017 ram 5500 four-wheel-drive chassis. The coach ways around 17,000 pounds dry and has a gross rating of 19,500 pounds. The front axle weight is around 7000 pounds and the rear axle weight is around 11,000 pounds dry. I would like to go with tires I can air down for sand, preferably the dually configuration. Any suggestions on tires and wheels? For clearance I think the biggest I can go is around 35”. I’ve been looking at trying to go to a 20 inch wheel but have had trouble locating a solution. I was also looking at putting 2 inch spacers on my suspension for left.
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I went with beadlock 19.5 singles.
I'm at 14500 ish.
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