Belt pulley shaft speeds were different from tractor to tractor. The imp[lement you wanted to run speed would be set by what size belt pulley on the tractor thats why different sizes of pulleys were available. The pulleys shaft was always much faster then the PTO. Hammer mills ran very fast like around 2200 RPMs to grind grain. Now a elevator that used a jackshaft ran much slower and later on the elevator was ran off the PTO. So you see not all belt driven implements ran the same RPMs. Ground thousands of shelled corn thru a hammer mill and also ear corn for cattle feed.
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Today's Featured Article - Harvestin Hay: The Early Years (Part 2) - by Pat Browning. The summer of 1950 was the start of a new era in farming for our family. I was thirteen, and Kathy (my oldest sister) was seven. At this age, I believed tractor farming was the only way, hot stuff -- and given a chance I probably would have used the tractor, Dad's first, a 1936 Model "A" John Deere, to go bring in the cows! And I think Dad was ready for some automation too. And so it was that we acquired a good, used J. I. Case, wire tie hay baler. In addition to a person to drive th
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