The Doe Triple D became a legend in its own lifetime. With its two engines, four-wheel drive and an articulation of nearly 90 degrees, it was one of the most unorthodox tractors ever built. A very successful machine in its time, it has remained a firm favourite among tractor enthusiasts everywhere. This highly illustrated account tells the full story of this remarkable tractor and the company that manufactured it. The rise of Ernest Doe & Sons from a humble village blacksmiths shop to the largest machinery retail organisation in East Anglia is traced in detail with full coverage given to the machines it made. Stuart Gibbard has unearthed a wealth of new information and many new photographs to make this one of the most complete accounts ever written on Doe tractors. It follows the development of the Triple D through the 130 and 150 models to the six-cylinder 5100 that marked the end of Doe tractor production.