We were not fighters like them; we were cunning and cowardly, and it was because of our cunning and cowardice, and our inordinate capacity for fear, that we survived in that frightfully hostile environment of the Younger World.
Union Pacific's 4-6-6-4 Challenger steam locomotive #3985 is the largest operating locomotive in the world. Built in July 1943 and still used by UP for occasional excursion throughout the western United States, the 3985 weighs 1,073,900 pounds (537 tons).
Transportation History: The Steam Locomotive. Steam power is one of the most important and key aspects of the Industrial Revolution. The invention of the steam engine created many changes and additions to the technology of the time, including steam powered locomotives.Steam locomotives are vehicles that run on rails or tracks and are powered by steam engines.ransportation History: The Steam Locomotive. Steam power is one of the most important and key aspects of the Industrial Revolution. The invention of the steam engine created many changes and additions to the technology of the time, including steam powered locomotives.