With a weight of 70 tons and boasting 524 horsepower, the HD-41 crawler tractor made headlines as the largest built up to that time. Allis-Chalmers gave at-tendees a taste of things to come at the ...

This tractor was featured for the month of February in the 2010 Classic Farm Tractor Calendar. It was owned by a neighbor of the farm where Rex grew up, near Preston, Idaho. Rex is the second owner.

As a seven-year-old boy growing up on a farm near Renfrew, Ont., George Nesbitt would read his father's farming magazines admiring the pictures of the tractors advertised inside. One day, unbeknownst ...