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  2. Union Pacific 4014 - Wikipedia

    en.wikipedia.org/wiki/Union_Pacific_4014

    Union Pacific 4014 is a steam locomotive owned and operated by the Union Pacific (UP) as part of its heritage fleet.It is a four-cylinder simple articulated 4-8-8-4 "Big Boy" type built in 1941 by the American Locomotive Company (ALCO) at its Schenectady Locomotive Works.

  3. Union Pacific Big Boy - Wikipedia

    en.wikipedia.org/wiki/Union_Pacific_Big_Boy

    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 ...

  4. See ‘Big Boy,’ world’s largest steam locomotive, during stop ...

    www.aol.com/see-big-boy-world-largest-100000405.html

    Big Boy No. 4014 is 132-foot long and weighs 1.2 million pounds. The engine was one of several Big Boy series locomotives that normally operated on the Union Pacific line between Ogden, Utah, and ...

  5. 4-8-8-4 - Wikipedia

    en.wikipedia.org/wiki/4-8-8-4

    A Big Boy locomotive.This example is Union Pacific 4014. 4-8-8-4 wheel arrangement. A 4-8-8-4 in the Whyte notation for the classification of steam locomotives by wheel arrangement, is a locomotive with a four-wheel leading truck, two sets of eight driving wheels, and a four-wheel trailing truck.

  6. Here's how to track Big Boy 4014 as it makes its way to ... - AOL

    www.aol.com/heres-track-big-boy-4014-090317426.html

    The world's largest steam locomotive, Union Pacific Big Boy No. 4014, can be followed and tracked as it makes its way for a stop in Salina this week. ... due to the size of the 4014, 132 feet long ...

  7. Historic Big Boy Train 4014 Goes on Special Anniversary Ride

    www.aol.com/news/historic-big-boy-train-4014...

    Well, this week, we are all that crazy enthusiastic railroad fan, thanks to some very special occurrences with the Union Pacific's historic steam locomotive — Big Boy No. 4014 is hitting the ...

  8. List of most powerful locomotives - Wikipedia

    en.wikipedia.org/wiki/List_of_most_powerful...

    Big Blow: Union Pacific: 1-30 (control cab), 1B-30B (turbine unit) General Electric: 1958–61 Gas turbine-electric C-C+C-C: 425 tonnes (468 short tons) 212,312 pounds-force (944 kN) 8,469 horsepower (6,315 kW); over 10,000 hp at lower altitude and ambient temperatures (turbine only) Two preserved in museums; Surpassed by GT1s . Big Boy: Union ...

  9. Articulated locomotive - Wikipedia

    en.wikipedia.org/wiki/Articulated_locomotive

    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.