Classic Machines TractorsClassic Machines: The International-Harvester TD-18 tractorContrafed PUblishingMarch 4, 2015November 19, 2019 by Contrafed PUblishingMarch 4, 2015November 19, 2019 International introduced the model TD-18 track type tractor in 1938, primarily aimed at the growing construction market. Initially known as the TD-65, the machine’s designation...