290smallcam
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Looking at tire options for winter. I would like to go back to duals for look but hat
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Largest dual tires for 5 ton?
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290smallcam
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But hate to lose ground clearance. I've found that the goodyear 12:00R20's will fit and not rub. Does anyone make a larger say 13-14 inch that is skinny enough so they don't rub? Checked the forums but everything is about super signles or G177's.
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Dualled 14.00s on bridge truck rims fit, but put you overwidth if I remember correctly.
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These pics are from a thread on this forum and I wish I could remember which member has this truck but they're dualled 14.00-20s and I think they were over width just like 98G mentioned.
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290smallcam
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That is the look! And there 14's... Do you know the model or type? They look like XML's.
290smallcam
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Lost on you post/statement saying... Put you over width. Meaning they stick out to far. So not road legal? Or it's a tight squeeze.
290smallcam
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Also, if the 14's are to wide, would the michilen XZL in 13:00R20's be a better choice or are they same in width? Thanks
290smallcam
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Pictured are 14.00 XL's, known for catastrophic failure without warning.
I believe to run 14.00s dualled you're going to need wheels with a different offset.
My personal opinion is the width legal aggravation isn't worth the trouble. I guess it all depends on where and how you're going to be driving it.
If the snow situation warrants dualled 14.00's, why not just go with chains on super singles?
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I previously read a military report from the 50s on the super singles. Recall that the military tried singles in the 50s on 2-1/2 and 5 ton trucks while simultaneously also using duals on the same trucks. The singles were actually deemed superior to the duals off-road in both mud and snow. However, the duals were deemed more stable and had better carrying characteristics. For whatever reason, stability and carrying capacity ruled the day. Super singles did not really make a comeback until the 80s with the M939A1 series trucks. After that, the USMC began retrofitting the M809 series trucks with singles. I wish I could remember where I read this. I am betting that someone else will recall this report, possibly (probably) even David Doyle.
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...and I concur with the chains suggestion. I used to have an M125 ten ton cargo. It was not the greatest in snow. One time, I attempted to blast through drifts of up to 4 feet with regular snow in the 24-32 inch range. The truck made it, but it took a lot of backing up and forging ahead. I got out once to check on my progress (after I backed up following a pass) and noted that the rear duals had to break much of their own trail through the snow, thereby slowing the truck down. Dual 1400s present a pretty wide cut through the snow. It takes a lot to smash down serious amounts of snow. Singles will generally follow in the path of the front tires, except when turning.
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Sorry for the multitude of posts, but I have a lot of thoughts on this. About five years ago, it snowed about 34 inches in my area, with more in drifts. I took my M925A2 out and it pulled it's way through the snow up and down paved hills. I have a video somewhere. I'll try to locate it on an old phone (don't hold your breath, though). While I was impressed with the truck's ability to make it through the snow, it did scare the hell out of me given I was by myself and would have had a hell of a time digging the truck out had I gotten stuck.
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Since it's related, here is a press-release from AM General in June 1981 (page 2 of 4) showing an M809 factory test truck with super singles!
290smallcam
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Nice find. So only the 14" XL are the only tire known for catastrophic failure? So it seems safer and better to keep running the 16" XZL's...?
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When they say overwidth, they are saying wider than would be legal for the road.
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Those spades are NO JOKE on that truck! Wonder if that is Factory?
SO, looking at those tires the rims almost look like they are too narrow for the tires that are mounted on them. Might just be my imagination, but my 1100:20's appear more "straight sided" than these 1400's. Is that possible? Did somebody else see that?
I sure would like to see more and better pictures of that truck!
REALLY neat looking and maybe even to talk to the person.
Couple of really nice wrecker features there for sure!
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OK, found the original thread by member lighten here: https://www.steelsoldiers.com/threads/m816-14-00-duals.184397/