The Doe Triple D became a legend in its own lifetime. It was one of the most unorthodox tractors ever built and had two engines, four wheel drive and could articulate through nearly 90 degrees. A very successful machine in its own time, it has remained a firm favourite among tractor enthusiasts everywhere. This illustrated account tells the full story of this remarkable tractor and the company that built it. The rise of Essex company Ernest Doe&Sons from a village blacksmith's shop to the largest machinery retail organization in East Anglia is traced in detail with full coverage given to the machines it made.