Goodyear Duratrac has a great reputation in snow though reportedly has soft sidewalls and may be a bit squirrely towing heavier loads with a 3/4 ton. Hankook Dynapro ATM is a very popular truck tire for winter use around here and is worth a look. I'm currently running Cooper ST Maxx on a 3/4 ton deisel and have been happy with winter performance. They will need to be replaced soon and am considering the Hankook as well as the Nitto Terra Grappler that I've heard good things about.
