PJ welcome to YT! You may have been led to mistakenly call it a disk plow due to the 3 round disks you see in front of each moldboard which are often called bottoms for short. The proper name of the disks are ..rolling coulters.. Their main function is to cut vegetation and other matter on top of the soil so that it separates cleanly. Then the moldboard flips it over and whatever was on top of the soil is now buried in the bottom of the furrow the previous share and moldboard has cut. Longer vegetation such as a corn stalk if not cut tends to get stuck on the beam that supports the bottom and multiple one build up there you eventually can get a plugged bottom. The rolling coulter was designed to help minimize this problem. The link shows an early blade or knife type coulter.
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Today's Featured Article - Usin Your Implements: Bucket Loader - by Curtis Von Fange. Introduction: Dad was raised during the depression years of the thirties. As a kid he worked part time on a farm in Kansas doing many of the manual chores. Some of the more successful farmers of that day had a new time saving device called a tractor. It increased the farm productivity and, in general, made life easier because more work could be done with this 'mechanical beast'. My dad dreamed that some day he would have his own tractor with every implement he could get. When he rea
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