R. G. LeTourneau's Overland Trains
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  • Sno-Buggy Testing in Greenland with Aircraft Overhead February 6, 2023
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R. G. LeTourneau's Overland Trains

a complete history

R. G. LeTourneau's Overland Trains
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How did the Sno-Train Steer?

  • January 9, 2022
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The Sno-Train’s power car and 3 cargo cars have square axles in front. These square axles were responsible for steering the Sno-Train and the cargo cars behind it. However, only the control car had an active role in steering. The Sno-Train used a 120 volt, 3 phase Alternating Current (A/C) electric motor, which connects to a large steering gear, turning the axle. As the control car turned, the cargo cars would follow, or track, right behind it with amazing accuracy.

The rear axles on the control car do not have the ability to steer. However, they can move up and down to ease the cabin and cargo movements over uneven terrain.

Steering gear shown middle. A/C steering motor shown top right. Image: Mike Haskins.
Cargo car square axle. Image: Mike Haskins.
  • Sno-Train control car schematic. Image: O&M Manual
  • Sno-Train cargo car steering pivot denoted by a “K.” Image: O&M Manual

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Sno-Train Sold as Surplus

  • January 4, 2022
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Sno-Train in Greenland 1956

  • January 11, 2022
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About OverlandTrains.com

OverlandTrains.com is a companion to R. G. LeTourneau’s Overland Trains: a complete history. Now available on Amazon.com at https://www.amazon.com/dp/B0BFL91FX6

Recent Articles
  • Sno-Buggy Testing in Greenland with Aircraft Overhead February 6, 2023
  • How Did the TC-497 Overland Train Steer? February 4, 2023
  • YouTuber Calum Visits the TC-497 in Yuma Proving Ground January 26, 2023
  • R. G. LeTourneau’s Last Remaining Tournalaid Homes Face Demolition January 23, 2023
  • Overland Train TC-497 and Buggy Fan Art January 20, 2023
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