304K views · 10K reactions | Union Pacific “Big Boy” 4014 is the largest operating steam locomotive in the world and one of the biggest ever built. The locomotive is seen here in July of 2024 on a publicity tour for the Union Pacific Railroad. Union Pacific Railroad #trains #steamtrain #bigboy #bigboy4014 #trainspotting #unionpacific | Coasterfan2105 | Facebook

An up close and personal look at the Big Boy locomotive, number 4003. From the Pentrex program "Union Pacific Big Boy Collection" https://rfd.video/bbcollection | Steam Giants

81K views · 9.9K reactions | Great trackside shots Of Union Pacific Big Boy locomotive 4006 and some onboard and closeup demonstrations of 4007. From the Pentrex show "Union Pacific Big Boy Collection" https://rfd.video/BBCollection | Steam Giants | Facebook

697K views · 16K reactions | LEGO Union Pacific Big Boy Locomotive with 30,000 Pieces! Created by Mark Staffa | Beyond the Brick | Facebook