Shortly after NJTRO inherited these units from Conrail in 1983, the steam generator, which had occupied the end of the locomotive’s long hood, was replaced with a diesel HEP generator, and the units ...

The Pennsylvania Railroad, known as "the Pennsy" or simply "the PRR," was once the largest corporation in the world, and at the close of World War II in 1945, it operated over 4,000 steam locomotives.