The Model A, which replaced the Model GP shown above, went into production in 1934 and continued until 1952. With about 300,000 in sales it was Deere’s most popular tractor. Capable of pulling two 14-inch plows, the tractor’s 309 cubic inch two-cylinder engine with overhead valves produced approximately 25 belt horsepower (later 38) with 19 at the drawbar (later 34). It had a four-speed transmission, hydraulic power lift, and power take-off.
The A was the first real row-crop tractor. It had the ability to change the spacing between its rear wheels. The Model A was also the first John Deere tractor to be offered with rubber tires.
Henry Dreyfuss styling was added in 1939, the engine size went to 321 cubic inches in 1940, and a six-speed transmission was introduced in 1941.
When production ended in 1952 the selling price was $2,400.
Model As built from 1939 to 1947 are sometimes called “slant dash” models. Featuring the electric start option it had a hood piece that covered the battery until 1947 when it was moved under the seat.
The Model AR Standard with fixed front axle.
The AO variation was designed for orchard work.
Other variations were the AW with adjustable wide front. The AWH was a high-crop AW. The AN had a single front wheel and there was also a high-crop version, the ANH.
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