Union Pacific No. 4013

Union Pacific 4013 was a 4-8-8-4 Big Boy locomotive built in 1941 by ALCO for the Union Pacific Railroad.
It was built for freight service on the Union Pacific Railroad until it made its last run on July 21, 1959, when it was retired.
It was sold for scrap shortly after when the diesel locomotives replaced the steam locomotives.
==Trivia==
*This was one of 25 Big Boys that were scrapped.
== Gallery ==
File:Big-boy-4013-and-4004-doubleheaders.jpg
File:Union Pacific Big Boy 4013 - Unknown Location
File:Up4013andf7b.jpg
File:4013scrapped.jpg
Category:Steam locomotives
Category:Tender locomotives
Category:Locomotives
Category:American locomotives
Category:ALCO locomotives
Category:4-8-8-4 locomotives
Category:4-8-8-4 steam locomotives
Category:Eight-coupled locomotives
Category:Articulated locomotives
Category:Built in 1941
Category:Scrapped locomotives
Category:Union Pacific locomotives
Category:Freight locomotives
Category:United States
Category:Standard gauge locomotives
Category:4 foot 8 1⁄2 inch gauge
Category:Wartime locomotives
Category:Scrapped steam locomotives
Category:Union Pacific Big Boy
Category:American steam locomotives
Category:Standard gauge locomotives of the United States