The Lewis Winch 400-MK2 Is a high-powered portable winch that uses a chainsaw as a power-head. The Lewis Winch will pull 4,000 lbs. in a straight line, and up to 8,000 lbs using one Lewis Winch Snatch Block. This is the only portable winch you need. Also from Lewis Winch is the Lewis Multi Drill. This unit was designed to be attached to the side of a chainsaw and to drive an earth auger in all kinds of soil and weather conditions. The Lewis Multi Drill Universal and Direct Drive fits most chainsaws. Click here to learn more about the history of the Lewis Winch.