Trisha Shetty (Editor)

SD20 2

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Power type
  
Diesel-electric

Power output
  
2,000 hp (1,500 kW)

Total produced
  
5

SD20-2

Builder
  
Original: GM-EMD Rebuild: B&O

Build date
  
Original: 1964 Rebuild: 1979/80

Gauge
  
4 ft 8 ⁄2 in (1,435 mm) standard gauge

The SD20-2 was a type of diesel-electric locomotive created in 1979/1980 by the Baltimore and Ohio Railroad by rebuilding EMD SD35 locomotives. 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. 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.

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 All of them passed to CSX Transportation as #2400-2404, but are now withdrawn from CSX service.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.

References

SD20-2 Wikipedia