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 - Farmall 460: That's My Girl - by LeAnn R. Ralph. How many sounds can you think of that are as familiar to you as your own breathing? What about the hum of your refrigerator? Or the thump of your clothes dryer? Maybe the engine of your car? You hear those sounds every day, and you don't think much about them, do you. I can think of a few common, ordinary sounds in my daily life, too.
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