It has a small pull back winch for the wire.
Had a long talk with two from the factory on a agri show here in Norway.
They are nice winches! I don't understand purpose of the smaller winch.
A "haul back" would be for a situation where one has several logs to pull from the same general area.
A pulley would be placed on an anchor near by, and the haul-back line would be fixed through the pulley and to the haul line.
When the log arrives at the tractor winch, The haul back would be engaged to return the haul line back to the pulley and the next pull.
Simple ...right?
Thanks, I just could not figure it's use. I mostly haul smaller stems from thinning for firewood and can usually pull 2-3 or more of them at a time. It certainly would be handy in the right situation.