When the Western Maryland’s dieselized, it purchased twenty GP9’s as part of the roster. As the WM retired F7’s, RS3’s, and switchers in the mid-1970’s, parent Chessie System moved twenty five Chesapeake & Ohio GP9’s to the WM roster. Many roamed the system in patched C&O paint, but some received full Chessie paint, as 5984 seen here riding the turntable at Connellsville, Pennsylvania.
