Baltimore and Ohio SD20-2

The SD20-2 was a type of road switcher diesel-electric locomotive created in 1979/1980 by the Baltimore and Ohio Railroad by rebuilding EMD SD35 locomotives.[1] Five of the B&O's SD35 fleet were rebuilt at their Cumberland Yard by fitting a non-turbocharged EMD 645 engine and upgraded electrical systems.[2] They were placed in service at the B&O Queensgate Yard in Cincinnati, Ohio attached to slugs, engineless units with traction motors that draw their power from the "mother" unit.

B&O SD20-2
Former B&O #2401, an SD20-2 rebuild, works the Pacific Harbor Line in Long Beach, California in February, 2005.
Type and origin
Power typeDiesel-electric
BuilderOriginal: GM-EMD
Rebuild: B&O
Build dateOriginal: 1964
Rebuild: 1979/80
Total produced5
Specifications
Gauge4 ft 8 1⁄2 in (1,435 mm) standard gauge
Performance figures
Power output2,000 hp (1,500 kW)

With the B&O, the SD20-2s were numbered #7700–7704. At some point, #7700 and #7702 swapped numbers. All of them passed to CSX Transportation as #2400-2404, but are now withdrawn from CSX service. One of the units, #2401, went on to the Ohio Central Railroad System; #2401 was in turn resold to the Pacific Harbor Line and reassigned road #45 (pictured at right). #2404 was scrapped by Cycle Systems of Roanoke, Virginia in August 2006.[2]

See also

References
  1. "B&O All-time Chessie roster". Retrieved 2006-12-09.
  2. "EMD 29400 to 29499". The Unofficial EMD Homepage. Retrieved January 2, 2006.
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