Looking at a Arctic Fox 811, anyone weigh theirs?

While duals make the truck footprint wider, it just means you break more branches and have scratches on the fenders when traveling on un-maintained or primitive FS dirt roads. A plus to duals on those roads is that when they have deep ruts, you can span the ruts and maneuver better to avoid the other obstacles on that type of road. Although your hubcaps will loosen up due to lateral flex of the tires, even when at 80 psi and in 4 Lo.