Big boy 4014

Explore the history and marvel at the engineering of Big Boy 4014, the largest steam locomotive ever built. Discover fascinating facts and breathtaking images of this iconic train.
Union Pacific Steam making stops in Oklahoma in November | KTUL Up Big Boy, Big Boys, Central Pacific Railroad, Big Boy 4014, Missouri City, Sedalia, Jefferson City, Rail Car, Union Station

TheUnion Pacific’s historic Big Boy steam locomotive No. 4014 is touring the Union Pacific system throughout 2019 to commemorate the transcontinental railroad's 150th anniversary. For the final time this year, the Big Boy No. 4014 will ride the rails on the Union Pacific system, taking it through Arkansas, Arizona, California, Colorado, Kansas, Missouri, Nevada, New Mexico, Oklahoma, Texas, Utah, and Wyoming. The steam locomotive will leave Arkansas and make its way to Oklahoma on November…

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James Watson
UP: World's Largest Steam Locomotive 'Big Boy No. 4014' Returns to the Tracks to Celebrate 160 years of Union Pacific Union Pacific Railroad, Pacific Union, Cheyenne Wyoming, Green Bay, Nebraska, Missouri, Big Boy 4014, North Platte, Grand Island

Kicking off June 26 from Cheyenne, Wyoming, Big Boy No. 4014's 'West Coast Steam Tour' will celebrate Union Pacific’s 160th anniversary, railroad heritage and the communities the railroad serves, visiting the Pacific Northwest for the first time since its return to service.

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Nick Reaves
Brigham City, Cheyenne Wyoming, Box Elder County, Ogden Utah, Union Pacific Railroad, Pennsylvania Railroad, Public Display, All Aboard, Salt Lake City

Twenty-five Big Boys were built exclusively for Union Pacific Railroad, the first of which was delivered in 1941. The locomotives were 132 feet long and weighed 1.2 million pounds. Because of their great length, the frames of the Big Boys were "hinged," or articulated, to allow them to negotiate curves. They had a 4-8-8-4 wheel arrangement, which meant they had four wheels on the leading set of "pilot" wheels which guided the engine, eight drivers, another set of eight drivers, and four…

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Tim Coffman