Union Pacifics Big Boy Locomotive Worlds Largest And Most Powerful Steam Train

10 Largest Steam Locomotives Ever Built Largest Org In this special episode, jay leno explores the world’s largest steam engine—the iconic union pacific "big boy." this 600 ton behemoth, originally built in 19. Cost to build us$ 265,000 in 1941, equivalent to $5,489,457 in 2023. 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.

Big Boy 4014 Largest Steam Locomotive In The World Runs Again Yo Advertisement. that said, it's still impressive that the big boy 4014, a locomotive delivered by union pacific railroad in december of 1941, still holds distinction in the guinness book of world. 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 the wasatch mountains, where trains faced a continuous grade of 1.55 percent on a stretch of track. 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. according to david p. morgan's article, " big boy " from the november, 1958 issue of trains magazine, the locomotive was mentioned 521 times in. Big boy 4014 was rescued from the pomona fairplex in 2013 and shipped by hospital train to the union pacific’s steam shop in cheyenne, wyoming in 2014. five years later, in 2019, big boy 4014, left the steam ships under her own power – for the first time in 60 years. 4014 toured much of the western usa to huge crowds, and the delight of many.