We had about a foot. I have studded turf eater tires, my body the stock dunlops. It worked out fine but the studded turf eaters make much better snow tires. It's a pretty small tight track so after a few passes we made a nice little trail. Here is a few pics.
what no i just throw on a set of paddels adn hall ass im in snow that is 1ft dept and stuff just lean back and wheelie it threw it is a blast just keep it reved high to in a high gear go have fun i mean look at my dp