SCIENCETECH · HISTORICAL MARKER

#4006

St. Louis County, Missouri
· Union Pacific "Big Boy"
Science & Tech
1
Built in 1941 by the American Locomotive Company at a cost of $265,000.00, number 4006 is one of 25 "big boys," the largest successful steam locomotives ever built, with a total weight over 600 tons. It is 132'9 1/4" long, carries 33 tons of coal and 25,000 gallons of water in its tender, and is a 4-8-8-4 (simple) articulated locomotive.
Hear stories like this as you drive
ExploreHere reads historical markers out loud as you pass them: over 325,000 stories across the US. No account needed.
4.7 · 800+ ratings · Free

FIND IT

Missouri · United States
St. Louis County, Missouri
COUNTY · 652 STOPSExplore St. Louis County, Missouri
Hear every story as you drive
4.7 Stars · 800+ Ratings
Hear this story on the road