A wonderful overview of a century of legendary tractors. The farm tractor took over where humans and animals had once toiled in the fields. From the first big steam-powered engines to the smaller, more maneuverable tractors, to the most evolved and advanced models of today, experience the full history of this fascinating machine. Features marque-by-marque info of all the major manufacturers, covering more than 150 tractors, and an illustrated, eye-catching combination of specially commissioned color photographs.