The bottom line note on the Superswampers was "A good tread for a dedicated trail rig with an emphasis on rock, sand or snow, it requires attention to balance properly, and is much more at home in the dirt than on pavement".
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2006 Ford 6.0PSD EB-50/E-PH SMB 4X4 Rock Crawler Trailer
They are E rated, I think 3200 lbs per tire. There was a little "flex" (I don't know how else to describe it) in the BFG all-terrain, and I don't feel any of it with the Toyos.
I like the pattern.
They are quiet on the road and have an excellent bite in the snow. I may suffer some in the mud, but I'm fine with that.