Union Pacific 3985 - Wikipedia
Union Pacific 3985 - Wikipedia
UP Trimming Heritage Fleet (UPDATED) - Railway Age
The Union Pacific Big Boys are the biggest steam locomotives in the world. A few are preserved, like this one. (In Holiday Park in Cheyenne, Wyoming) : r/interestingasfuck
File:Union Pacific No. 3985 Challenger (September 28, 2008) (2903831874).jpg - Wikimedia Commons
