Farmall H

The Farmall H was a row-crop tractor that was produced from 1939-1953. The H was a fairly successful tractor, having over 390,000 sold. There were three different International Harvester engines used in the Farmall H: gasoline, distillate, and kerosene. They were all liquid-cooled four-cylinders with a bore/stroke of 3.375 x 4.25 inches and a displacement of 152.1 cubic inches. In fact, the only difference came in the compression ratio. The gasoline-ran H had a ratio of 5.9:1, the distillate-ran H had a ratio of 4.75:1, and the kerosene-ran H had a ratio of 4.5:1.
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Farmall 1206 Turbo

1967 was a big year for International Harvester, as well as their Farmall brand. This year brought about the release of their first tractor that could produce more than 100 horsepower: the 1206 Turbo. The IH/Farmall 1206 Turbo had a powerful PTO horsepower output of 112hp.

While the vast majority of these were row-crop tractors produced under the Farmall name, over a thousand were “wheatland” models with a larger platform and heavier drawbar, and were produced with the IH name. Both models had basically the same engine, with the only difference being the Bore/Stroke. The Farmall engine had a Bore/Stroke of 4.321×4.625 inches, while the IH engine’s Bore/Stroke was 4.125×4.25 inches.
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Farmall Super A

The Farmall Super A was manufactured by International Harvester in the years 1947-1954. The Super A was an updated improved model of the A. One of the biggest changes was in reply to the 3-point system of Ferguson used on the Fords, a new touch controlled hydraulic system. The Super A has 4 forward gears and 1 reverse gear, and featured a wide front end, a 113 cubic inch 4 cylinder gasoline and kerosene engine.

In the 8 years that the Super A was produced, 94,001 tractors were manufactured. You can locate the serial numbers on the right side of the seat support bracket. Here are the serial numbers associated with the years. Read more