Union Pacific Big Boy - Wikipedia
网页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.
UP: Steam Schedule - Union Pacific
网页Earlier this summer, Union Pacific's legendary Big Boy No. 4014 toured in five states during its 2024 Westward Bound Tour from Wyoming to California. In addition, this mighty steam locomotive was on public display for two days each …
UP: UP No. 4014 - The Big Boy - Union Pacific
网页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.
Big Boy Steam Locomotive 4014 - The Sound of Steam
网页2021年8月6日 — Union Pacific Railroad's 4014 "Big Boy" is the largest operational steam locomotive in the world. It was restored by the railroad in 2019 in celebration of t...
Every Union Pacific Big Boy Ever Built, in Photos
网页Many consider the Union Pacific Big Boy to be the climax of steam locomotive design. There were only 25 built, but the 4-8-8-4 steam beasts made headlines thanks to their incredible size and power . Considering only 25 were built, finding photographs of each and every one is not easy.
The 4-8-8-4 "Big Boy" Locomotive: UP's Legendary Behemoth
网页2024年8月25日 — Few steam locomotives compare to Union Pacific's (UP) colossus 4-8-8-4 "Big Boy." It was designed during the zenith of seam technology and earned celebrity status as soon as the first debuted in 1941.
Union Pacific Big Boy basics and frequently asked questions
网页2021年8月3日 — A: Big Boy was built to go as fast as 70 mph, but the locomotives rarely ran more than 50 mph, a speed the UP still finds convenient. Q: How much can it pull? A: With more than 6,000-horsepower, Alco and Union Pacific designed Big Boy to pull a 3,600-ton train across the mountains of Utah and Wyoming.
Big Boy | Steam Engine, Union Pacific, 4-8-8-4 | Britannica
网页2024年9月10日 — Big Boy, one of the largest and most powerful series of steam locomotives ever built. Produced from 1941 to 1944 by the American Locomotive Company of Schenectady, N.Y., exclusively for the Union Pacific Railroad, the Big Boy locomotives were designed primarily to handle heavy freight traffic in
Union Pacific Big Boy Collection - YouTube
网页The biggest, the strongest, the grandest American steam locomotive. Only 25 were built and now — for the first time — Pentrex shares ALL 25 of the Big Boys i...
Union Pacific Big Boy #4014 Steam Train Accelerating and ... - YouTube
网页81K. 8.5M views 3 years ago. READ THIS DESCRIPTION FIRST BEFORE COMMENTING: Union Pacific Steam Schedule: https://www.up.com/heritage/steam/sch... No. 4014 made a trip to Omaha and return in June...
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