In 1938, R. G. LeTourneau introduced the Tournapull, the world’s first single-axle, rubber-tired prime mover. The Tournapull was originally intended to pull scrapers; indeed, the name came into use ...
Among his dozens and dozens of innovative machine concepts, Robert G. LeTourneau developed a line of single-axle cranes that were operated by cable from a tractor’s cable control unit (another device ...
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