Big Boy 4014 arrives in NEPA on June 13. Each day until then, we're sharing a fascinating fact about the world's largest operating steam locomotive. Big Boy 4014 produces approximately 135,375 pounds ...
CARROLL, Iowa (KTIV) - Union Pacific’s Big Boy 4014, the largest and most powerful operating steam locomotive in the world, rolled through Siouxland this weekend, drawing hundreds of spectators to ...