I don't know anything about moldboards as I grew up in South Texas and we used disk plows -- we called them "breaking plows" as like the moldboard they were used to turn the soil as one of the first operations after harvest. The disk plow and moldboard do the same thing. Disk plows are used mostly in the south, I believe, as they don't work as well in wet soil as the moldboard. On the contrary, I don't think moldboards work very well in dry soil -- I have never tried it. A disk plow has less soil resistance than a moldboard because the disks turn. Because of this, as an example, an H is a two plow tractor. It will easily pull the HM 150 semi-mount with three disks, and cut the same width as the equivalent 3 botton moldboard. Disk plows are often confused with the one-ways or "tillers" as we called them. They are not the same as the disks on a one way work at less angle, thus there are more of them and the width of cut is wider than that of a disk plow, it is also operated at a shallower depth. Disk plows and moldboards are primary tillage tools, a one way is a secondary tillage tool, although in the Great Plains they were used as primary tillage tools after wheat harvest, seldom used any more. I realize this is probably more than you wanted to know.
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Today's Featured Article - When Push Comes to Shove - by Dave Patterson. When I was a “kid” (still am to a deree) about two I guess, my parents couldn’t find me one day. They were horrified (we lived by the railroad), my mother thought the worst: "He’s been run over by a train, he’s gone forever!" Where did they find me? Perched up on the seat of the tractor. I’d probably plowed about 3000 acres (in my head anyway) by the time they found me. This is where my love for tractors started and has only gotten worse in my tender 50 yrs on this “green planet”. I’m par
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