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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.
27 de ago. de 2021 · 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 the 150th anniversary of the...
Union Pacific's legendary Big Boy No. 4014, the world’s largest operating steam locomotive built to conquer mountains, will make 19 whistle-stops in five states this summer during its 2024 Westward Bound Tour from Wyoming to California.
21 de jun. de 2007 · Union Pacific Big Boy Collection. 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...
Big Boy weighs in at 600 tons, is 132 feet long, and can move at up to 80 miles per hour while pulling a fully loaded freight train with the force of about 7,000 hp. Union Pacific introduced the first of 25 of these steam locomotives in 1941 and retired them from active service in July 1959.
Big Boy No. 4014. 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.
Big Boy #UP4014 is making 19 whistle-stops in five states this summer during its 2024 Westward Bound Tour from Wyoming to California. In addition, this mighty steam locomotive will be on public display for two days each in Roseville (July 12-13) and Ogden (July 20-21).
