Category: Thompson Trailer
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Building the Firestone 120x48x68 Tire Molds with a BETTS Vertical Boring Mill
R. G. LeTourneau, Inc. was no stranger to building huge machinery. However, it wasn’t until 1952 that R. G.’s son, Ben LeTourneau built the tire mold that would help shape a critical component of the Overland Trains story – the monstrous tires! From this custom mold came the Firestone 120x48x68 tires that would support the…
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Augustin “Marty” Martinez and his Ties to LeTourneau’s Overland Trains
Augustin “Marty” Martinez has had more hands-on time with Overland Trains story than any one individual. He was the primary Non-Commissioned Officer (NCO) in charge of the Sno-Freighter’s recovery after it caught fire and was immobilized deep in the Yukon. His documentation, slides, and personal stories of these events adds significant depth to our events…
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How to Tell the Difference Between Thompson Trailer and TC-497 Wheels
Thompson Trailers were unpowered trailers used from 1959 to around 1968. The trailers were towed by the Sno-Train, D8/D9 CATs, and other equipment; they had a load rating of 10-tons. The wheels were built by LeTourneau and 120x48x68 tires by Firestone. The most significant differentiator between the Thompson Trailer and Overland Train wheels are found…