International Harvester (IH) produced the Farmall tractor from 1923 to 1974. About 5 million Farmall tractors hit the farming, construction and agricultural markets during its production run. IH initially produced the Farmall in limited numbers to test market a tricycle version. When it proved a success, sales of the nameplate expanded to the rest of North America. IH, now Case IH, was producing Farmall compact tractors as of 2011.
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A successful late model of the Farmall tractor was the 544 powered by an IH D-239 52-horsepower four-cylinder diesel engine with eight valves. Farmall produced the 544 from 1968 to 1973. It featured a 3.875-inch cylinder bore and 5.060-inch stroke. Its compression ratio was 16-to-1. The 544's liquid capacities were 15 quarts of coolant and seven quarts of engine oil.
The Farmall 756 was manufactured from 1967 to 1971. It featured a D-310 IH six-cylinder diesel engine generating 68 horsepower. It had 12 valves and displaced 310 cubic inches with a 3.875-inch cylinder bore and 4.375-inch stroke. The compression ratio was 16-to-1. It carried 23.5 quarts of coolant and 12 quarts of oil. A six-cylinder gasoline version, the C-291, was also available in the 756. It featured a 3.75-inch bore and 4.39-inch stroke. The compression ratio was 7.6-to-1, with the engine containing 20.5 quarts of coolant and nine quarts of oil. A third version used liquid propane to power it. It displaced the same cubic inches, and bore and stroke as the other versions.
A 55-horsepower four-cylinder diesel engine powered the durable B-450 from 1958 to 1970. Identified as the BD-254, it featured a 4-inch bore and 5.25-inch stroke and displaced 264 cubic inches.
The basic Farmall Cub had a production run from 1947 to 1964, although IH produced other versions of the Cub until Farmall ceased production. The original Cub operated with a small 11-horsepower C-60 gasoline-powered engine with four cylinders. It displaced only 59.5 cubic inches and had a low compression ratio of 6.5-to-1. The bore was 2.62 inches and the stroke 2.75 inches. It contained 9.75 quarts of coolant and three quarts of oil.
The Farmall 140 was another long-running all-purpose tractor manufactured from 1958 until Farmall's demise in late 1973 and early 1974. IH's C-123 four-cylinder 122.7-cubic-inch gasoline engine powered the 140 with 21 horsepower. The bore was 3.12 inches and the stroke measured 4 inches. The compression ratio was slightly higher than most other gasoline-powered versions at 6.94-to-1. It carried 15.2 quarts of coolant and five quarts of oil. This little tractor, along with the Cub, performed light-duty chores around the farm and at construction sites.
Contemporary Compact Farmalls
The contemporary compact models range from the Farmall 31 to the Farmall 60. The number designation denotes the horsepower rating of the engine. The 31 features a three-cylinder 91-cubic-inch engine, while the Farmall 35 is powered by a three-cylinder 101-cubic-inch engine. The Farmall 40, 45, 55 and 60 are four-cylinder models with the 60 turbocharged. These tractor engines displace 135 cubic inches.
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