Re: How does draft control work?

Posted by Hal on May 31, 2002 at 14:11:16 from (24.188.23.224):

In Reply to: How does draft control work? posted by Mosey on May 31, 2002 at 06:46:02:

Draft control can work by sensing the pulling on either the top link or the lower links, depending on the tractor model, and its sensitivity is usually adjustable on modern tractors. Although it won't help you with bushhoging, it can have the desired effect you describe when using a ground engaging implement. If the front of the tractor goes up, the implement will be forced into the ground, but then the increased pull on the top link (or lower link) will cause the draft control to compensate by raising the implement. The opposite would occur when the front wheels drop into a low spot. Sometimes, like with a plow, this will not always have the desired effect. Suppose you are plowing a field where some spots are "heavy" soil, or sod, and other sections are "light" soil or easier pulling. When you encounter the sod it will exert a greater pull on the linkages and the draft control will attempt to raise the plow a little, exactly what you don't want to happen.

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