LeTourneauClassic Machines: LeTourneau’s Model C TournatractorContrafed PUblishingAugust 31, 2017September 24, 2021 by Contrafed PUblishingAugust 31, 2017September 24, 2021 Always the innovative thinker when it came to earthmoving equipment, Robert LeTourneau came up with the idea of the Tournatractor in 1946. By RICHARD CAMPBELL...