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Locomotive, Steam, 4-8-8-4 Big Boy

Vehicle - Rail - Locomotive - 4-8-8-4 Big Boy
4-8-8-4 Big-Boy UP #4019 in Echo, UT, 1942
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NameLocomotive, Steam, 4-8-8-4 Big Boy
RegionNorth America
CategoryRail
TypeLocomotive
SubTypeSteam
Variety4-8-8-4 Big Boy
ManufacturerAlco (Details)
EraNA Era III: Transition (1939 - 1957)
Year(s) of Production1941-1944



History: Big Boy is the popular name of the American Locomotive Company 4000-class 4-8-8-4 articulated, coal-fired, steam locomotives manufactured between 1941 and 1944 and operated by the Union Pacific Railroad until 1959.

The Big Boy fleet of twenty five locomotives were used primarily in the Wyoming Division to haul freight over the Wasatch mountains between Green River, Wyoming and Ogden, Utah. They were the only locomotives to use a 4-8-8-4 wheel arrangement consisting of a four-wheel leading truck for stability entering curves, two sets of eight driving wheels and a four-wheel trailing truck to support the large firebox.

According to Union Pacific senior manager of Heritage Operations Ed Dickens Jr., the 4-8-8-4 series originally was to have been called "Wasatch". One day while one of the engines was being built an unknown worker scrawled "Big Boy" in chalk on its front. With that, the legendary name was born and has stuck ever since.

Read more on Wikipedia and on SteamLocomotive.com.
Railroad/Company:
The American Locomotive Company, often shortened to ALCO, ALCo or Alco, designed, built and sold steam locomotives, diesel-electric locomotives, diesel engines and generators, specialized forgings, high quality steel, armed tanks and automobiles and produced nuclear energy. The American Locomotive Company was formed in 1901 by the merger of Schenectady Locomotive Engine Manufactory of Schenectady, New York with seven smaller locomotive manufacturers.

The American Locomotive Automobile Company subsidiary designed and manufactured automobiles under the Alco brand from 1905-1913 and produced nuclear energy from 1954-1962. The company changed its name to Alco Products, Incorporated in 1955. In 1964 the Worthington Corporation acquired the company. The company ceased trading in 1969.

From Wikipedia

Item Links: We found: 2 different collections associated with Rail - Locomotive - 4-8-8-4 Big Boy
Item created by: gdm on 2018-06-08 08:39:39. Last edited by Alain LM on 2018-10-25 07:31:35

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