Union Pacific 3985 - Wikipedia
Union Pacific 3985 is a four-cylinder simple articulated 4-6-6-4 "Challenger"-type steam locomotive built in July 1943 by the American Locomotive Company (ALCO) of Schenectady, New York, for the Union Pacific Railroad. No. 3985 is one of only two Challengers still in existence and the only one to have operated in excursion service.
UP: Challenger No. 3985 Steam Locomotive - Union Pacific
It is one of 105 Challengers built for Union Pacific between 1936 and 1943 and was, for many years, the only operating engine of its class in the world – the largest and most powerful operating steam locomotive. That title has transitioned to Big Boy …
Union Pacific #3985, A Challenger To The Big Boy | Steam Giants
Union Pacific #3985 is a 4-6-6-4 (Challenger type) steam locomotive built by Alco in 1943. #3985 recently made headlines as UP announced her donation to Railroading Heritage of Midwest America.
Work begins on Union Pacific Challenger No. 3985 - Trains
Union Pacific 3985, also known as the “Challenger”, is a four-cylinder simple articulated 4-6-6-4 “Challenger”-type steam locomotive built in July 1943 by the ALCO of Schenectady, New York, for the Union Pacific Railroad. No. 3985 is one of only two Challengers still in existence and the only one to have operated in excursion service.
Union Pacific 4-6-6-4 #3985: RRHMA's Famous Challenger - American-Rails.com
2024年8月25日 · Union Pacific 3985 is a 4-6-6-4 "Challenger"-type steam locomotive and the largest such locomotive still operating anywhere in the country. UP once owned more than one-hundred of these locomotives but today only two remain preserved.
Union Pacific No. 3985 | Locomotive Wiki | Fandom
Union Pacific Railroad No. 3985, also known as 'The Challenger', is a 4664-4 class 4-6-6-4 "Challenger" type articulated steam locomotive built by the American Locomotive Company (ALCO) in July...
Locomotive #3985 – Challenger | Railroading Heritage of
Union Pacific (UP) #3985 was one of 105 4-6-6-4 Challenger type locomotives owned and operated UP. Classified as a 4664-4 by the railroad, the locomotive was built by the American Locomotive Company in July 1943 with builder’s number 70174.
UNION PACIFIC 3985 - trains-and-railroads.com
2008年10月1日 · Union Pacific 3985 is a four-cylinder simple articulated 4-6-6-4 "Challenger"-type steam locomotive built in July 1943 by the American Locomotive Company (ALCO) of Schenectady, New York, for the Union Pacific Railroad. No. 3985 is one of only two Challengers still in existence and the only one to have operated in excursion service.
Steam - UP 3985 - TrainWeb
UP "Challenger" 3985 was the world's largest operating steam locomotive until 4014 returned to service. It was built by American Locomotive Company (Alco) in July 1943 for the Union Pacific Railroad and 1 of 3 surviving locomotives in UP's steam fleet.
The Challenger at high tide - Classic Trains Magazine - Railroad ...
2020年1月17日 · Union Pacific had decided to spend nearly $2 million on upgrading its steam facilities in Cheyenne and wanted to showcase the project — as well as the 3985’s recent conversion to oil — by inviting the railfan press to see it.