One of the ubiquitous P42 "Genesis" diesels used for most Amtrak services on non-electrified lines
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The two Amtrak SW1500s, previously owned by CSX, are here waiting just off the platform ends at Union station
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The second SW1500 passes the train on which I was travelling
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Amtrak switchers include some of the oldest diesel locomotives in regular service. The three SSB1200s from EMD, including 562, date from 1953
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Amtrak has a total of ten EMD SW1000R switchers dating from 1950, including No. 797. MARC 71, a GP39H-2 rebuilt from GP40 class, came from Penn Central via Conrail, and was rebuilt by Morrison-Knudsen in 1987
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The typical electric passenger locomotive on the Eastern Corridor regional trains is the AEM-7 class, in this case the refurbished AEM-7AC class as rebuilt by Amtrak and Alstom in 2002
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Two massive CSX 12-wheel freight diesels outside Union Station
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MARC runs a small fleet of GP40 diesels built specially in the early 1990s using parts left over from an earlier order made to the manufacturer
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Two more GP40WH-2s on shed
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