John Deere Model A

The John Deere Model A was the first actual row-crop tractor of the company, and was produced from 1934 to 1952. The A had a few new features, including an adjustable rear axle on most versions, a completely hydraulic power lift system, and a center-line hitch. It also had two 14-inch plows. Not only was the Model A the first technical row-crop tractor for John Deere, but it was the first John Deere released with rubber tires.
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John Deere GP

The John Deere GP was a general purpose row crop tractor that was produced from 1928 to 1935. It was originally called the Model C, but there was a lot of confusion between it and the Model D. Since International was having success with the Farmall, John Deere decided just to call it the GP in order to better their chances of competing. The GP had a fixed front axle that straddled three rows. It also had two 14-inch plows, and weighed 3,600 pounds.
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John Deere 4020

The Legendary John Deere Model 4020 was produced from 1964-1972. A total of 57,471 of these beauties were built. 48,482 of these were diesel, 5,268 were LP gas, and 3,721 were regular gas engines. In 1972 if you recall,(and I know most of you can), these sold new for about $10,345 dollars. The liquid cooled, 6 cylinder, powerful engines that ran these Deere’s were 362 cubic inches in the LP and gas models, and 404 cubic inches in the diesel model.

The Syncro-Range transmission had 8 forward gears and 2 reverse gears. The Power Shift has 8 forward and 4 reverse gears. The power shift allows for shifting while moving without using the clutch. Read more