The Oldest Tractor? Hart-Parr 22-45

Hart-Parr 22-45 owner marks the centennial of what may be the oldest purpose-built tractor in the U.S.

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Jerry Swedberg with one of his rare engines, a 1909 15 hp Fairbanks-Morse. The engine (no. 90009) has an 8-1/2-inch bore and 18-inch stroke.