When I was a "lad" back in the 40s, farmers sometimes complained that the H and M were not the equals of the F-20 and F-30 they were supposed to replace. I don't think it was so much a matter of actual horsepower, but of torque. The F-series had big engines, designed to run pretty slow. They had great torque, and would pull through even when overloaded. I remember trying to plow with an F-20 in FOURTH gear, and even though it would only get up to about 1/2 speed, it kept right on going. Don't fret, guys. I just did it for a coupla minutes--adolescent stuff. The H, especially, has a much smaller engine, designed to run faster. I used the same plow with two Hs, and they just didn't have the torque the old F-20 had. H of a lot nicer to drive (I guess that could be a joke, but it's probably not very funny). I never tried a 3-bottom with an M, but I think the complaint was around among farmers back then. An uncle of mine used an M in clayey soil and pulled only a 2-14 plow. I've spent some "quality time" with a Super M in the last few years, and I found it a really gutsy tractor for its size. I liked the higher speed in 4th gear, for travel on farm trails or pulling wagons on gravel roads, and I certainly liked the extra torque (partly from a larger engine than the regular M, and partly, I'd think, from a higher compression ratio). The original IHC hydraulic system on the M is pretty primitive. If the clutch is disengaged, you have no hydraulics. Independent hydraulics are really nice. I used to do a lot of "chore work" with the Hs (mowing around fences, bushhogging in tight places) and found them almost as easy to use as an F-12 that I had used before the Hs came along. The Super M is definitely NOT for one-finger maneuvering in tight places. Power steering would probably help a lot, but it is still a big, tall tractor. Delightful in an open field. Great sound, makes a little guy feel like he's flying a 747.
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Today's Featured Article - Tractor Profile: Earthmaster - by Staff. This tractor, manufactured by the Earthmaster Farm Equipment company in Burbank, California was made for only two years. The Model C came out in 1948 and was followed by the "CN" (narrow-width model), "CNH (narrow-width high-crop model), "CH" (high-crop), "D" and the "DH" (high-crop) in 1949. The main difference between the models was tire size, tractor width and cultivating height. The "D" series were about 20 inches wider overall than the
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