LenNH, Thanks for researching this plow speed info. I plowed in the 1950s with an F20, H Farmall, and SC Case, all pulling a 2-14" easily at about 3 mph. Also used a SM with 3-14". Back then, seemed like everyone plowed at that speed, regardless of tractors used. Plowing and other field work was basically done at nearly the speed as horses used to do just a few yrs before.
Then 50 yrs later I still have that same H and I bought a 2-16" #8 plow. After buying an operator's manual for the plow and setting up the tail wheel correctly (and an overhauled motor) the H can pull that plow quite easily in 3rd gear. (Tail wheel setting is very important on a trailer plow).
In 3rd gear the plowed soil turns over nice and "orderly". In lighter soils I've tried 4th gear and with throttle wide open that plow throws the soil over way too far and is not quality plowing.
But modern powerful newer (New to me is an 806) tractors all run plow speeds much faster and seems to me that those plows do a very nice job of turning the soil over at those higher speeds. And looking at the moldboards of old and new plows, it appears to me that the curvature is different. Plows today running at higher speeds do as good a job as our old plows did at lower speeds.
Regardless, just sitting here in the winter and thinking about plowing this Spring makes my pulse jump! I love plowing. Harry Truman once said "You do your best thinking while plowing". LA in WI
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Today's Featured Article - The Cletrac General GG and the BF Avery A - A Bit of History - by Mike Ballash. This article is a summary of what I have gathered up from various sources on the Gletrac General GG and the B. F. Avery model A tractors. I am quite sure that most of it is accurate. The General GG was made by the Cleveland Tractor Company (Cletrac) of Cleveland, Ohio. Originally the company was called the Cleveland Motor Plow Company which began in 1912, then the Cleveland Tractor Company (1917) and finally Cletrac.
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