Rex Enterprises 40 Ton Derrick Crane Machine Platform Height.80-100 Feet

A derrick is either a crane for lifting material or a framework over an oil well that allows the drilling machinery to be raised and lowered. A 17th century English hangman named Derrick led to a gallows being called a derrick.A derrick is either a crane for lifting material or a framework over an oil well that allows the drilling machinery to be raised and lowered. A 17th century English hangman named Derrick led to a gallows being called a derrick.Much like a crane, a derrick is used for moving materials vertically and horizontally, comprised of a hoisting mechanism and pulleys or sheaves to create a mechanical advantage to lift large loads.