The tongue has a latch system that releases the tongue when the plow is lifted which then causes it to latch on the other side when turning on the headland. The wheels of the plow are pinned to the axle which forces both tires to spin at the same speed. Since the plow desires to always be pulled straight the tongue swings right over to the direction that you are turning, and then latches. The hydraulic version and the clutch lift version work in the same fashion but with slightly different mechanics for the latch release mechanism.
The theory is simple but there is a whole pile of spivets and widgets to make it function properly.
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Today's Featured Article - Listening to Your Tractor - by Curtis Von Fange. Years ago there was a TV show about a talking car. Unless you are from another planet, physically or otherwise, I don’t think our internal combustion buddies will talk and tell us their problems. But, on the other hand, there is a secret language that our mechanical companions readily do speak. It is an interesting form of communication that involves all the senses of the listener. In this series we are going to investigate and learn the basic rudimentary skills of understanding this lingo.
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