BALITMORE, MD – APRIL 15: PM No.11 Pere Marquette Railway GM-EMD model SW-1 on April 15, 2017 - Kelleher Photography Store
BALITMORE, MD – APRIL 15: PM No.11 Pere Marquette Railway GM-EMD model SW-1 on April 15, 2017

By 1936, the General Motors, Electro-Motive Division GM-EMD began mass-producing diesel switcher locomotives. The lightweight diesel switchers afforded switch crews with improved visibility and efficient reversing and maneuverability compared to their steam counterparts. Three years later, the Pere Marquette Railway … Read More

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BALITMORE, MD – APRIL 15: B O No.5300, President Washington Baltimore Ohio Railroad Baldwin Locomotive Works on April 15, 2017 - Kelleher Photography Store
BALITMORE, MD – APRIL 15: B O No.5300, President Washington Baltimore Ohio Railroad Baldwin Locomotive Works on April 15, 2017

The No. 5300, President Washington was the first of 20 class P-7 Pacific-type locomotives built for the B O by Baldwin Locomotive Works in 1927 and first unveiled at the B O’s centennial celebration, also known as the Fair of … Read More

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BALITMORE, MD – APRIL 15: MARC F7-A General Motors EMD Locomotive on April 15, 2017 - Kelleher Photography Store
BALITMORE, MD – APRIL 15: MARC F7-A General Motors EMD Locomotive on April 15, 2017

The original version of this F7-A was built by General Motors EMD in 1951. The unit was outfitted with the standard 1500 hp., 16 cylinder 567B diesel engine and sold to the B O Railroad to be used in service … Read More

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BALITMORE, MD – APRIL 15: WM No.236 Western Maryland Railway GM-EMD, model F-7A, Diesel Locomotive on April 15, 2017 - Kelleher Photography Store
BALITMORE, MD – APRIL 15: WM No.236 Western Maryland Railway GM-EMD, model F-7A, Diesel Locomotive on April 15, 2017

General Motors developed the F-7 diesel-locomotive type In 1949. The F-7s had an EMD V-16 model 567B engine and was available as an A cab unit or a B booster unit. The A and B units were designed so they … Read More

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