The first model in John Deere’s new numbered series to enter production was the 60, which replaced Model A in the spring of 1952. A few months later, Model B was replaced by the 50. With these changes, the lineup fell into a logical numerical order instead of the previous, confusing letter designations. The styling of the new models closely followed that of the brand’s previous introduction, the Model R. Independent power take-off and hydraulics—no longer dependent on the clutch—were now standard equipment. A new feature in the construction was the use of a cast frame instead of the earlier beam frame, and the rear axle was made stronger than before. The engines were the familiar two-cylinder gasoline units, now fitted with a two-barrel carburetor. A liquefied petroleum gas version was also offered. The clutches, like those on the larger models, now had four plates instead of two. The clutch was still operated by hand lever, which, according to the brochure, was handy when coupling implements because the operator could stand between the tractor and the implement and move the tractor by hand. Gear ratios remained at 6 forward and 1 reverse, and the final drives were noticeably lower, so top road speed stayed well under 20 km/h. The electrical system was 12 volts (two 6 V batteries).

The 50 and 60 were intended primarily as row-crop tractors. Wide-front-axle versions went on sale later. Starting in 1954, power steering became an optional extra on the Model 60. At the same time, a three-point hitch was also offered.

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