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Big Boy reference · Eight survivors
ALCO Schenectady built 25 Union Pacific Big Boys between 1941 and 1944 — the largest successful steam locomotives ever produced. Eight survived the scrappers. Only one of those (4014) runs under steam today. Here's where you can see the other seven.
Holliday Park
Cheyenne, WY
Outdoor pedestal display in 4014's home town. The "other" Cheyenne Big Boy.
Forney Transportation Museum
Denver, CO
Indoor display, well-preserved. Pair with a Cheyenne→Denver railfan trip.
National Museum of Transportation
St Louis, MO
Indoor and accessible — also home to Frisco 1522 and 60+ other locomotives.
Steamtown National Historic Site
Scranton, PA
Will be paired with 4014 on June 15-16, 2026 — the only time two Big Boys are seen together in 2026. Worth planning a Scranton trip around.
National Railroad Museum
Green Bay, WI
Indoor display. The Wisconsin Big Boy.
Museum of the American Railroad
Frisco, TX
Currently outdoor; museum has 2024 plans to move it indoors.
Kenefick Park
Omaha, NE
Outdoor pedestal display next to UP's historic headquarters.
Every confirmed stop on the 2026 coast-to-coast tour with addresses, times, and directions.
View the 2026 schedule →