Union Pacific's Mighty Turbines
Union Pacific has always been on the cutting edge of locomotive technology. In the 1950s, it became the only railroad ever to place a fleet of gas turbine-electric locomotives into regular mainline service. Here is the whole turbine story, from rare footage of an early steam turbine experiment in 1938 to the first gas turbine demonstrator in 1948. UP put 55 production units into service, the largest rated at 8,500 horsepower ...