The Pennsylvania Railroad's class A5s was the most powerful class of 0-4-0 steam locomotives. The Pennsylvania Railroad built 47 in its Juniata Shops between 1916–1924. They were all retired by 1957.
PRR No. 94 at the Railroad Museum of Pennsylvania
The Strasburg Rail Road is a heritage railroad and the oldest continuously operating standard-gauge railroad in the western hemisphere, as well as the oldest public utility in the Commonwealth of Penn
No. 90 pulling into East Strasburg station in July 2014
No. 475 hauling an excursion train in 2004
Strasburg mini locomotive switcher
Brooklyn Eastern District Terminal no. 15 moving to West Medford, Massachusetts in 1963