The story of the four-wheel-drive tractors built by Steiger, International Harvester, Case, and Case IH is told in dramatic fashion in this authoritative guide. Starting with the development of early four-wheel-drive systems at International Harvester, the book traces the evolution and design some of the most powerful and capable tractors of the twentieth century. With fresh detail on the 4300, 4100, Steiger-built IH tractors, and the 2+2 tractors...