page_title: EMD GP40-based passenger locomotives
section_title: GP39H-2
hierarchical_section_title: EMD GP40-based passenger locomotives / GP39H-2
caption_attribution_description: A MARC GP39PH-2 #70 at Odenton Station.
context_page_description: The passenger locomotives derivatives of the General Motors EMD GP40 diesel-electric road switcher locomotive have been, and continue to be, used by multiple passenger railroads in North America. For passenger service, the locomotives required extra components for providing steam or head-end power for heating, lighting and electricity in passenger cars. Most of these passenger locomotives were rebuilt from older freight locomotives, while some were built as brand new models.
context_section_description: In the late 1980s, Morrison-Knudsen rebuilt six GP40s into 12-cylinder GP39s for MARC. They were downgraded from 3,000 horsepower (2,200 kW) to 2,300 horsepower (1,700 kW), and re-equipped with 4-stroke Cummins HEP generators. As of 2015, they continue to be used by MARC for smaller train sets and work train duty.
caption: MARC GP39H-2 No. 70 at Odenton
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