High Quality Content by WIKIPEDIA articles! International Harvester Company (IHC or IH) was a United States agricultural machinery, construction equipment, vehicle, commercial truck, and household and commercial products manufacturer. In 1902, J.P. Morgan merged the McCormick Harvesting Machine Company and Deering Harvester Company, along with three smaller agricultural equipment firms, to form International Harvester. International Harvester sold off its agricultural division in 1985 and renamed the company Navistar International Corporation in 1986. Case IH was formed when the agricultural division merged with J.I. Case.