R.G. LeTourneau’s TC-497, or the Overland Train MkII, never saw production outside of one unit. It was the most engineered out of all of the Overland Trains. The model MkII seen below was one of the first steps in testing the S-curve ability of the design. This model was electrified and tested. You can see the toy Jeep for scale.
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TC-497 Film at Yuma Proving Ground
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Digitizing an 8mm TC-497 Film
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The Overland Train and Project Mobility
Project Mobility occurred from June 5-10, 1961 at Fort Eustis, Virginia. During the 6 day exercise, The United States Army…
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