The invention of the Digger Derrick (or Radial Boom Derrick as it was later known) is proudly a North American creation. Developed in 1945 by Telelect, this Digger Derrick today is still by far the leader and only Digger Derrick worthy of tackling the harsh Canadian North. Telelect, now known as Terex Utilities, has built on their success over the years. In the early years, innovations such as the boom tip winch, the fibreglass third section, dual lift cylinders, and continuous rotation have all been Terex creations. Terex has developed an impressive lineup of Digger Derricks. Whether you’re a telecom business, a utility company, or in the transmission construction industry, Terex has designed a Digger Derrick for you.