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

415K views · 12K reactions | Today the Union Pacific launch its 10-state Big Boy Steam No. 4014 Heartland of America tour. The journey begins in its home of Cheyenne. The last of its kind operating, the Big Boy No. 4014, was one of 25 built for the Pacific Union to conquer the steep grades of Utah's Wasatch Mountain Range during World War II. | Wyoming Tribune Eagle | Facebook

150K views · 14K reactions | ICYMI: Union Pacific's "Big Boy" steam engine rolled through Des Moines last week. Hundreds of excited people showed up to get an up-close glimpse of the big train. | WHO 13 News | Facebook