Union Pacific 4023 - Wikipedia
In the early 1940s, the Union Pacific Railroad designed the only simple articulated steam locomotive with a 4-8-8-4 wheel arrangement, which would be the largest steam locomotive in the world. The first of these Big Boys were built in 1941 by the American Locomotive Company in Schenectady, New York. No. 4023 is one of the last five built in November 1944, forming part of the second generation of the Big Boys which had more tractive effort than the first generation and produce…
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The Big Boy - The Historical Marker Database
Locomotive 4023, built in November of 1944, was one of 25 famous "Big Boy" type articulated locomotives. They were designed in Omaha by Union Pacific's mechanical officer Otto …
Pictures of UP 4023 - rrpicturearchives.net
2025年1月13日 · Union Pacific 4-8-8-4 4023 : Description: Near the coaling tower at Cheyenne, 4-8-8-4 4023 simmers between runs. 4023 was built by ALCo in November 1944. It was retired …
Union Pacific 4-8-8-4 locomotive 4023, Big Boy in …
Johnson, Philip C. (Philip Cornwell), 1907-1990, Union Pacific 4-8-8-4 locomotive 4023, Big Boy in Cheyenne, Wyoming (1963-09-01). Montana History Portal, accessed 25/01/2025, https://www.mtmemory.org/nodes/view/17549
Union Pacific Big Boy: The World's Largest Steam …
2024年5月7日 · Discover more about the history of the Cheyenne’s Union Pacific Big Boy, the largest steam locomotive in the world. Read about facts, …
Pictures of UP 4023 - rrpicturearchives.net
Union Pacific 4-8-8-4 4023 : Description: Near the coaling tower at Cheyenne, 4-8-8-4 4023 simmers between runs. 4023 was built by ALCo in November 1944. It was retired in July 1962 …
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Steam locomotive profile: 4-8-8-4 Big Boy - Trains
2006年6月12日 · In collaboration with the Alco, Union Pacific set about designing what would be (together with the C&O’s 2-6-6-6 Allegheny) the largest steam locomotive ever built: the 4-8-8-4. Union Pacific Big Boy glides eastward down …
Union Pacific Big Boy - Wikipedia
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 River, Wyoming. In the late 1940s, they wer…Wikipedia · CC-BY-SA 许可下的文字Union Pacific 4-8-8-4 "Big Boy" Locomotives in the USA
At one time, this would have been 4023, currently at Kenefick Park, Omaha, NE. During the end of their careers both Challenger 3985 and Big Boy 4023 were rebuilt and placed in the Cheyenne UP roundhouse. However, 4023 was later …
Big Boy Steam Locomotive - where to find them!
2020年8月24日 · The Union Pacific "Big Boy" steam locomotive is the largest steam locomotive ever built. Designed to eliminate the need for a second "helper" engine, the locomotives hauled freight trains over the Wasatch Mountains and …
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