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All information presented herein should be considered the result of an unmoderated public forum with no responsibility for its accuracy or usability assumed by the sponsors of this site or any corporate entity. Serial Number Reference Image Archive Taking a look back at the Allis-Chalmers farm tractor line from 1914 to 1985. Allis-Chalmers' history as a manufacturer extends to the 1840's in Milwaukee. In 1914 the growing company entered into the farm equipment business. Over the years Allis-Chalmers was responsible for many innovations in farm equipment and grew to become one of the largest and most diverse manufacturers in North America.