Union Pacific No. 4002

Union Pacific Railroad No. 4002 was a four-cylinder articulated 4-8-8-4 "Big Boy" type steam locomotive built by the American Locomotive Company (ALCO) in 1941 for the Union Pacific Railroad.
No. 4002 like its siblings spent many years working on the Union Pacific railroad hauling freight trains.
It was retired from service in 1961 and sold for scrap.
== Trivia: ==
* There was an EMD SD70M that was also numbered 4002.
* In 1950 it was seen double heading a freight train with sibling locomotive No. 4004.
* No. 4002 was one of 17 Big Boys that were scrapped.
== Gallery: ==
File:Up4466dvl.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