Bi-mode trains Class 800 for 125 mph are trains with a dual electric and diesel propulsion capability.The trains can run on electrified routes using the catenary as power source, allowing for a smooth transition to non-electrified routes, where diesel powerpacks provide tractive power. The engine, generator, radiator, and other components are installed as a package to save space, and mounted under the floor. The Class 800 trains came into service on the Great Western Main Line on 16 October 2017. |