For general discussion, the early Farmall M was close to the early JD G, both 3 plow around here. Towards the middle (post war) the G had its power raised where they were 4 plow around here. Variations occur when you talk about all fuel vs. gasoline for each, gasoline putting out more power. Early JD B was 2-12's at best and late B's were 2-14's very well. Farmall H was 2-14 straight through. JD A was 2-14 or 16 at beginning and 3-14 or 16 at end of production. Super M was 3-16 at least and usually pulled 4 bottoms.You also have to take into account soil density (sand vs, clay). Bottom line the JD tractor line went through revisions including power because production began 4 plus years prior to Farmall letter series. JD had to raise power and transmission speeds to compete. During the war, manufacturers had to divert resources to the war effort. Accordingly revisions to most product lines waited till the late 40's. Reading each manufacturer's history, it was always a gamble as far as establishing features and horsepower on a unit that would not be released 4-5 years into the future. The reality was often different than the expectations. Again, this is a general summary and I will leave it to others to cite specific changes to specific models in specific years. Back to spraying I will go!
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Today's Featured Article - Museum Coverage: The Stuttgart Agricultural Museum - by Cindy Ladage. While cold wind was blowing back in Illinois, in Arkansas, daffodils were in bloom, and the Magnolia trees were adorned with fragrant blossoms. Stuttgart, Arkansas was the site of this year's winter Minneapolis Moline Collector's show February 25-27, 1999. The show was held at the Oliver Museum created by Don Oliver, the pioneer of the four wheel drive tractor. Oliver along with Gale Stroh and Kenneth Bull using Minneapolis Moline tractors and parts created what has become known as
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