International Harvester built the Titan 12-25 Tractor (later re-rated as the Titan 15-30) at its Milwaukee, Wisconsin factory between 1914 and 1917. In total, only 818 units were produced, making it a rare and collectible machine today. Engine The Titan 12-25 was powered by a four-cylinder horizontal gasoline/kerosene engine, originally rated at: The cylinders measured […]