As a boy, Dave Schaefer worked for a neighboring farmer, Marvin Grillo, operating Grillo’s McCormick Deering Farmall F-20 and F-30 tractors. After he retired from farming himself, Schaefer decided he ...

International Harvester started producing in 1924 the Farmall tractor with a new configuration which was capable of cultivating row crops. The rear wheels were spaced to straddle two rows and the dual ...