On display at the museum

Newly commissioned APCU 221 is captured at Cochrane Shops June 22, 2019 after a successful week's testing on the 421-622 Polar Bear Express

A former Baltimore and Ohio F7A, MDOT 7100 was the first of several F-units to be rebuilt by Morrison-Knudsen for Maryland commuter service. Unlike the other rebuilds, the 7100 lost its prime mov... (more)

In 1981, the Maryland Department of Transportation took delivery of five rebuilt F7A’s from Morrison-Knudsen. Four of the units were essentially in-kind rebuilds of the original configuration, ... (more)

A Midday MARC commuter train is photographed at the shuttered QN Tower.

The MARC 7100 sits in front of Camden Station, which was restored in 1992 and now houses a sports museum. The Bromo Seltzer Tower is seen on the upper left.

Former F7 MARC 7100 leads a midday commuter train into Washington's Union Station.

This handsome cab control unit started out life as Baltimore & Ohio F-7A 293A. It's seen many miles, no doubt, since wearing B&O blue and gray.

Cab control car conversion sitting inside repair building