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Beginning in 1941, the M's production coincided with the Farmall MD, a diesel version of the M that would start on gasoline until warmed up sufficiently to switch to diesel. A total of 18,253 MD tractors were produced. In addition, IH produced the Farmall Super M from 1952 to 1954. The Super M featured a larger engine displacement than the ...
The M was created to address the increasing demand for small tractors, and compete with the increasingly popular Ford, and the smaller Farmall tractor models. The M was the second John Deere tractor to use a vertical two-cylinder engine, after the LA, but the first to with a square bore to stroke ratio of 4.0 in × 4.0 in (102 mm × 102 mm) 100 ...
The first IHC "Highwheeler" truck had a very simple air-cooled horizontally opposed two-cylinder engine with a 5-inch (130 mm) stroke and a 5-inch (130 mm) bore, and produced around 18–20 hp (13–15 kW). Displacement was 196 cubic inches (3.2 L). [2] In 1915 a new L-head water-cooled 201 cubic inches (3.3 L) inline-four engine appeared. [3]
The Farmall A, B, and C used a sliding-gear four-speed transmission, while the larger, more powerful Farmall H and M were fitted with a five-speed transmission. The extra gears of the Farmall tractors helped maximize the engine's power band and road speed, giving a sales advantage over the competition.
The McCormick-Deering W-6 was the W-series version of the Farmall M, using the M's C248 engine, again in gasoline, distillate or kerosene versions. The remainder of the W-6 drivetrain was similar to the W-4's, but the tractor was heavier at 4,800 pounds (2,200 kg).
The Farmall 60 series tractors are general-purpose row-crop tractors that replaced the larger models of the Farmall letter series beginning in 1958. Produced from 1958 to 1963, the Farmall 460 and 560 tractors represented a modernization of the Farmall H and Farmall M respectively, with higher-horsepower 6-cylinder engines in a restyled body.
The Cub was initially designated the Farmall X, and was to use a two-cylinder engine. [1] Development started in July, 1943, changing to a four-cylinder engine. A prototype was built by December 1944. In September 1945, it became the Farmall Cub. [2] The two major variations of the Cub were the "Standard Cub" and the "Lo-Boy Cub" (or "Cub Lo-Boy").
Engine power was increased again by reducing engine stroke by 0.375 inches, increasing the rpm. [9] The Orchard 620 or O-620 used the new 620 engine and remained in production after the 630 was introduced. It was the only "20" series tractor in production after 1958. [2] [10]