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Overpack's logging wheels could haul logs without the need for icy ground. They didn't sink into mud in the wet terrain of the northern woods where ordinary wagon wheels would get mired in the springtime after the winter thaw. The wheels also enabled a team of horses to pull several logs at a time. The logs were held by a chain that suspended the logs' weight from the wheel axle, creating a stablizing, lower center of gravity
This is my grandson Cody who is staying with me for a few weeks, i had him stand there so you could get a feel of how big this wheel is.