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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.
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.
- Coal**56,000 lbs.
- 14-wheeled
- 4 ft. 8-1/2 in.
- 25,000 gallons
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.
24 de mai. de 2024 · One of the biggest and most powerful steam locomotives in history has returned to life: Union Pacific’s Big Boy 4014. 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 ...
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 .
A Union Pacific apresentou, em 1936, a locomotiva "Challenger", com rodagem 4-6-6-4 para sua linha principal através das montanhas Wasatch, entre Green River, Wyoming e Ogden, Utah. A maior parte desta rota tem 0,82% de desnível, entretanto uma subida a leste de Ogden, alcançava 1,14%.
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.
