This is an extensive guide to tractors, including over 500 different makes and models listed alphabetically for reference. It is illustrated with over 600 photographs ranging from the earliest Oilpull to the latest John Deere models. It includes a fascinating introduction to the history of tractor manufcature, tracing its use from the early 20th century through to the start of the new millenium. From the cumbersome Advance Rumley Oilpull to the more slim line Valtra-Valmets, tractors have been part of the agricultural landscape since the beginning of the industrial revolution. This extensive guide introduces the history and evolution of perhaps one of the most important advancements in modern farming. Beginning with Charter's and Forelich's pioneer gas models at the start of the 20th century before introducing an extensive A to Z of tractor models, The Ultimate Guide to Tractors is a gloriously decorated tome and a splendid companion for tractor enthusiasts worldwide.