For nine decades, the bright green John Deere tractors have been a fixture on the American landscape. It is the essential tool for farmers across the country. More than that, John Deere is a true American icon. From the early steam-powered models to the industrial-sized behemoths of today, all the developments in the history of John Deere are chronicled here. The most significant models are highlighted in detail, with descriptions, photos, and data tables. Illustrations of period advertisements, brochures, and Deere collectibles round out this history of America's greatest farm tractors.