Leopard 2A7 vs Challenger 2 Black Night_ Who Wins | Military Technology

79K views · 581 reactions | La 4-6-6-4 Challenger, una versión aligerada de la Big Boy de la Union Pacific del año 1943, nos demuestra las capacidades del vapor remolcando una composición con 143 vagones portacontenedores, de dos pisos, llevando el tren a 56 km/h en una pendiente de cierto empaque. | Vía Libre. La revista del ferrocarril | Facebook

With the water tank at Harriman in the background, we watch as Union Pacific Challenger 3985 slowly moves down the main. Great sound! Clip from "Union Pacific's 4oth Anniversary Steam Excursion" by Pentrex. http://rfd.video/40thSteam | Railfan Depot

8.3K views · 1K reactions | We see Challenger #3985 west of Elm Creek, Nebraska and arriving at Kearney. From the Railway Productions show "The Challenger Union Pacific’s Legend of Steam" https://rfd.video/Challenger2008 | Steam Giants | Facebook