International Harvester introduced the Model M in 1939. It soon became one of the most popular tractors in IH history. As the size of farms grew, there was a need for more power, and the Model M was replaced by the Super M in 1952. It featured a 263.9 cubic inch four-cylinder engine which offered a 22 percent increase in power for the gasoline version and 32 percent increase for the diesel. The Super M could easily handle a three-bottom plow and the bigger implements used on large acreage farms. In 1954, IH introduced the exclusive Torque Amplifier and created the Super MTA. The "TA" offered increased lugging power to get through the tough spots without shifting the main transmission down. TA provided ten forward and two reverse speeds and could be shifted on-the-go, at any time, in any gear.

This art image and history are Copyright by Edward C. Schaefer, 1998, 2008, All Rights Reserved.