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 ...
Union Pacific 4-8-8-4 "Big Boy" Locomotives in the USA
Class Big Boy (4884-1) (Locobase 346) Data from tables and diagrams in 1947 Locomotive Cyclopedia and UP 11 - 1946 Locomotive Diagrams supplied in May 2005 by Allen Stanley from his extensive Rail Data Exchange.
聯合太平洋鐵路巨人號蒸汽機車 - 维基百科，自由的百科全书
巨人號 [1] （英語： Big Boy ，又称“大人物号” [2] ），為聯合太平洋鐵路使用的“4000”系列4-8-8-4關節轉向架式蒸汽機車（4884-1型、4884-2型）的通稱。 1941年和1944年由 美國機車公司 生產。
Union Pacific 4-8-8-4 Big Boy Locomotive - Old Machine Press
2016年12月20日 · The Union Pacific Big Boy was one of the largest and heaviest steam locomotives ever built. Weighing over 1,189,000 lb (539,000 kg), the engine produced 6,290 hp (4,690 kW) and could pull over 100 cars.
The 4-8-8-4 "Big Boy" Locomotive: UP's Legendary Behemoth
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.
大男孩型蒸汽机车 - 百度百科
大男孩（英文：Big Boy）为 联合太平洋铁路 使用的“4000”系列4-8-8-4轮式马莱特关节转向架式 蒸汽机车。 1941年和1944年由美国机车公司（ALCO）生产。 大男孩机车以挑战者型机车为模板设计而来，可共用部分零件，产量共25台。 为世界上仅有之 轮式 为4-8-8-4的蒸汽机车。 列车前后分别排列有两组动轮，每组为四轴八个动轮，加上两轴四轮的无动力导轮或从轮。 两组动轮拥有独立的活塞和曲柄连杆，以 关节式转向架 相连接并公用火箱。 该型机车是历史上体积最大，功率 …
4-8-8-4 "Big Boy" Locomotives in the USA
Many consider the 4-8-8-4s or "Big Boys" to be the largest steam locomotives ever built in the entire world. It would be hard to argue differently. When the Union Pacific created plans to have a locomotive designed that could haul 3,600 ton trains unassisted over the Wahsatch Mountains east of Ogden, UT, they had plans to give the name ...
4-8-8-4 - Wikipedia
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.
4-8-8-4 Big Boy - Trains and Railroads
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.
【科普】【世界铁路】使用4-8-8-4轮式的美国联合太平洋铁路“巨人”（“大男孩”）——4884-1型和4884 …
2019年5月，美国联合太平洋铁路将一台拥有2组8对16个动轮的4014号蒸汽火车头投入动态展示。这台烟箱门被手写“Big Boy”、汉译为“巨人”或“大男孩”的“黑色高级”蒸汽机车，其确切的车型代号为4884-1型。