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The Union Pacific Big Boy is a type of simple articulated 4-8-8-4 steam locomotive manufactured by the American Locomotive Company (ALCO) between 1941 and 1944 and operated by the Union Pacific Railroad in revenue service until 1962. The 25 Big Boy locomotives were built to haul freight over the Wasatch Range between Ogden, Utah, and Green ...
Union Pacific 4014 is a preserved 4884-1 class 4-8-8-4 "Big Boy" type steam locomotive owned and operated by the Union Pacific (UP) as part of its heritage fleet.Built in November 1941 by American Locomotive Company (ALCO) in Schenectady, New York, it was assigned to haul heavy freight trains in the Wasatch mountain range.
The largest examples were developed in the United States, where the Union Pacific Big Boy 4-8-8-4s and the Allegheny H-8 2-6-6-6s were some of the largest steam locomotives ever built, with Big Boy 4014 remaining as the largest, and last of its kind, to still operate. Many schemes for articulation were developed over the years.
Here are photos of the scene when Big Boy No. 4014 rolled in for its stop in Kansas City. ... Union Pacific’s Big Boy, a 1.2 million-pound steam locomotive first put into service in 1941, rolls ...
Union Pacific’s No. 4014 steam locomotive is a massive 132-foot long engine that has been touring the rails of middle America since August. See ‘Big Boy,’ world’s largest steam locomotive ...
Hundreds gathered to see the world’s largest operating steam locomotive. Union Pacific’s ‘Big Boy,’ world’s largest steam locomotive, stops in Fort Worth. See it
Photographed at Colorado Railroad Museum in 2007. CO-23 Big Boy Union Pacific #4005: Steam 4-8-8-4 Forney Transportation Museum, Denver, CO One of the few remaining examples of the world's largest steam locomotives, a 4-8-8-4 type, of which only 25 were ever built, and eight remain in museums CO-24 Forney Locomotive, F&CPV 108 0-4-4T 1897 built
One of the largest and most historic steam engines in the world will speed through Oklahoma as part of a tour across America. 'Big Boy' by the numbers: Historic steam engine passes through ...