The Longest Vehicle Ever Was A Trackless, Overland Train Meant To Run On Nuclear Power The LeTourneau TC-497 is an incredible feat of engineering that died before it could really get rolling.

The record-breaking moment came during the grand finale, with a 445 ft-long, 16-carriage train pulled by six locomotives.

On June 21, 2001, BHP Iron Ore set the record for the longest and heaviest freight train ever. Article continues below ADVERTISEMENT The train was 4.5 miles (7.3 kilometres) long and transported ...