Union Pacific’s Big Boy Locomotive - World’s Largest and Most Powerful Train

In this special episode, Jay Leno explores the world’s largest steam engine—the iconic Union Pacific “Big Boy.“ This 600-ton behemoth, originally built in 1941, is the most powerful steam locomotive ever created. Join Jay as he dives deep into the rich history, mind-blowing technology, and sheer power behind this engineering marvel. Thanks to Union Pacific and National Park Foundation for making this possible! From inside the cab, Jay takes viewers on a once-in-a-lifetime ride, showcasing: How this 7000-horsepower giant revolutionized American transportation Its connection to Abraham Lincoln and the Golden Spike that united the country Incredible behind-the-scenes stories of restoring this 80-year-old masterpiece to its former glory Witness the raw power of steam like never before, and learn how the Big Boy continues to inspire rail fans of all ages. This is more than just a train—it’s a living piece of history! 🚂 Get ready for some serious horsepower. Don’t miss this episode—it’s Big Boy time! 🚂 🔔 Subscribe to never miss an episode! 🔔 #JayLeno #BigBoyLocomotive #SteamEngine #TrainHistory #UnionPacific #AmericanEngineering #Restoration #BiggestSteamEngine #RailroadAdventure #HistoricTrains #SteamPower #EngineeringMarvel #LocomotiveLegends #JayLenoGarage #Railfan #HistoricRestoration #EpicTrainRide #AmericanHistory #Trainspotting Shop car care and detailing supplies from Jay Leno’s Garage: » Subscribe: THE BEST OF JAY LENO’S GARAGE » Exclusive First Looks: » Ultra Rare Supercars: » Jay’s Book Club: JAY LENO’S GARAGE ON SOCIAL Facebook: Twitter: Instagram: TikTok: @jaylenosgarageofficial ABOUT JAY LENO’S GARAGE A new video every Monday! Visit Jay Leno’s Garage, the Emmy-winning series where Jay Leno gives car reviews, motorcycle reviews, compares cars, and shares his passion and expertise on anything that rolls, explodes, and makes noise. Classic cars, restomods, super cars like the McLaren P1, sports cars like Porsche 918 Spyder and Camaro Z28, cafe racers, vintage cars, and much, much more.