LeTourneau Technologies

[1][better source needed] During World War II, the company provided nearly 75% of the Allies' earthmoving equipment.

[citation needed] The system—somewhat similar in concept to the sort used on many locomotives –used a diesel combustion engine to spin an electric generator, which would send its power to hub motors mounted to each wheel of the vehicle.

[citation needed] For the Distant Early Warning Line (DEW line) project, Western Electric and Alaska Freightlines, with the help of TRADCOM (U.S. Army Transportation Research and Development Command), contracted to have a pair of off-road over-land trains, the TC-264 Sno-Buggy, designed specifically for Arctic conditions, to be built by LeTourneau Technologies.

The TC-264 Sno-Buggy was the longest off-road vehicle ever built at the time, with its six cars (including the locomotive) measuring a total of 274 feet.

[6] Joy Global subsequently sold LeTourneau's Drilling, Marine, and Power divisions to Cameron International.