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Farmall H, W-4, or O-4, 300 and Supers. Farmall M, W-6,O-6, 400 and Supers.
John Deere 3010, 3020, 4000, 4010 and 4020
Ford NAA/Jubilee, 501, 600, 700, 800, 900, 2000 or 4000 4-cylinder