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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.
Union Pacific's legendary Big Boy No. 4014, the world’s largest operating steam locomotive built to conquer mountains, is on tour in five states this summer during its 2024 Westward Bound Tour from Wyoming to California.
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.
Aug 27, 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...
During World War II Union Pacific operated some of the most modern and powerful steam locomotives ever built. Among them were the famous "Big Boys," the largest steam locomotives in the world.
Union Pacific 4014 is a steam locomotive owned and operated by the Union Pacific (UP) as part of its heritage fleet. It is a four-cylinder simple articulated 4-8-8-4 "Big Boy" type built in 1941 by the American Locomotive Company (ALCO) at its Schenectady Locomotive Works.
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.
Feb 2, 2024 · 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.
The Union Pacific Big Boy locomotives are some of the largest and most popular steam locomotives ever made. We look at the history of these massive locomotives.
Jun 4, 2024 · 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.
