The History of Farmall Tractors: 1930-1935

In order to keep up with the progress of competition, Ed Johnston proposed improvements to make the Farmall a better tractor. Discover the changes that occurred to create more modern, small-scale F-20s, F-30s and F-40s.

The F-30 engine displaced 284 cubic inches, compared with the F-20's (and Regular's) 220 cubic inches. Cylinder bore grew to 4.25 inches from 3.75 while stroke remained at 5 inches.
Photo by Randy Leffingwell