R.G. LeTourneau built 6 Overland Trains and two Buggies. The Buggies were used as tire research and exploration vehicles. The Overland Trains were capable of moving goods and materials without significant roads or rail lines in extreme conditions.
TC-264 LeTourneau Sno-Buggy – TRADCOM funded development, June 1954, went to Greenland for testing
TC-266 LeTourneau Marsh Buggy – more to come in the book