World’s largest steam locomotive heads out on tour

Union Pacific’s Big Boy No. 4014 will travel coast-to-coast in commemoration of the semiquincentennial.

World's largest steam locomotive announces spring tour schedule

Union Pacific's Big Boy No. 4014 steam engine embarks on its first coast-to-coast tour to celebrate America's 250th ...
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One of the world's biggest locomotives was as long as a Boeing 747 and was powered by a coal-burning turbine that ate itself

This quest would eventually lead to the creation of the iconic Big Boy, the largest steam locomotive that’s still in operation. The Big Boy, which entered service in 1941, wasn’t the biggest or the ...
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Famous 1.2 million pound locomotive heading back to Colorado on ‘bonus’ excursion

DENVER (KDVR) — The world’s largest operating 1.2 million-pound steam locomotive is coming back to Colorado. The locomotive, known as Big Boy No. 4014, is 1.2 million pounds and 132 feet long, about ...