We have a F350 4x4 dually with an Arctic Fox 811, and plan on using the rig through many of the coming fall and winter months in BC, Yukon, ID, MT, OR, CA and WA. I found that Washington State require...
Chain the outside rears and fronts if necessary. If all 6 are needed to get through, you're in the wrong place! You're no different than a srw truck traction wise. By the way, bfgs rugged trails are in the top 3 worst snow tires I've ever had. You're misguided thinking that they are even a marginal AT tire. They're hiway rubbers and no more. Bring chains if you're running those tires for sure.