Re: SWINGING DRAWBAR

Posted by ron in MN on November 12, 2002 at 18:04:46 from (216.114.212.153):

In Reply to: SWINGING DRAWBAR posted by STEVEN H on November 11, 2002 at 07:00:34:

Others have mentioned that the swinging drawbar is easier to turn with when pulling heavy tillage implements. With todays modern equipment raised with hydraulics there is no need for a swinging drawbar to ease the turning.

But back to the real reason: Before hydraulics came into general use, many heavy tillage implements were left "in the ground" when turning. This placed a tremendous strain on drawbars. With the invention of the swinging drawbar, turning became much easier with the implement in the ground. The reason is that the pull point of the drawbar is located ahead of an imaginary horizontal line through the rear axles. At the instant that the front wheels begin their turn in either direction, the pull point of the drawbar (being ahead of this line through the rear axles) helps to pull the front end of the tractor around in the direction of the turn, thus aiding the turn. A simple yet very effective design.

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