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5403, Class SD50, was built in November 1983, #837047-8, FN 837047-8, as Consolidated Railroad Corp 6707, Class SD-50.  It became NS PRR 5403, Class SD50, in 1999 and renumbered NS 5303, Class SD50.  It was rebuilt as 6318,  Class SD40E, in October 2009.

5406, Class SD50, was built in November 1983, #837047-13, FN 837047-13, as Conrail 6712, Class SD-50.  It became NS PRR 5406, Class SD50, in 1999 and renumbered NS 5406, Class SD-50.  It was rebuilt as 6354, Class SD40E, on November 4, 2013.

5417, Class SD50, was built in December 1983, #837047-30, FN 837047-30, as Conrail 6729, Class SD-50.  It became NS PRR 5417, Class SD50, in 1999 and renumbered NS 5417, Class SD50.  It was rebuilt as 6312, Class SD40E, in February 2009.

5419, Class SD50, was built in December 1983, #837047-34, FN 837047-34, as Conrail 6733, Class SD-50.  It became NS PRR 5419, Class SD50, in 1999 and renumbered NS 5419, Class SD50.  It was rebuilt as 6344, Class SD40E, in October 2011.

5420, Class SD50, was built in December 1983, #837047-35, FN 837047-35, as Conrail 6734, Class SD-50.  It became NS PRR 5420, Class SD50, in 1999 and renumbered NS 5420, Class SD50.  It was rebuilt as 6355, Class SD40E, on November 7, 2013.

5421, Class SD50, was built in December 1983, #837047-36, FN 837047-36, as Conrail 6735, Class SD-50.  It became NS PRR 5421, Class SD50, in 1999 and renumbered NS 5421, Class SD50.  It was rebuilt as 6346,  Class SD40E, in January 2012.

5424, Class SD50, was built in May 1984, #837065-4, FN 837065-4, as Conrail 6743, Class SD-50.  It became NS PRR 5424, Class SD50 in July 1999 and renumbered NS 5424, Class SD50.  It was rebuilt as 6357, Class SD40E, on January 27, 2014.

5425, Class SD50, was built in May 1984, #837065-6, FN 837065-6, as Conrail 6745, Class SD-50.  It became NS PRR 5425, Class SD50, in 1999 and later NS 5425, Class SD50.  It was retired on August 15, 2012.

5426, Class SD50, was built in May 1984, #837065-11, FN 837065-11, as Conrail 6748, Class SD-50.  It became NS PRR 5426, Class SD50, in 1999 and later NS 5426, Class SD50.

5429, Class SD50, was built in May 1984, #837065-15, FN 837065-15, as Conrail 6752, Class SD-50.  It became NS PRR 5429, Class SD50, and renumbered NS  5429, Class SD50.  It was rebuilt as 6347, Class SD40E, in January 2012.

5434, Class SD50, was built in June 1984, #837065-32, FN 837065-32, as Conrail 6762, Class SD-50.  It became NS PRR 5434 and later NS 5434, Class SD50.  It was rebuilt as 6329, Class SD40E, in October 2010.

5438, Class SD50, was built in June 1984, #837065-33. FN 837065-33, as Conrail 6770, Class SD-50.  It became NS PRR 5438 and later NS 5438, Class SD50. It was retired on September 17, 2012, and rebuilt as 6351, Class SD40E, in October 2012.

5439, Class SD50, was built in May 1984, #837065-25, FN 837065-25, as Conrail 6772, Class SD-50.  It became NS PRR 5439 and later NS 5439, Class SD50.  It was rebuilt as 6356, Class SD40E, on December 6, 2013.

5444, Class SD50, was built in May 1984, #837065-14, FN 837065-14, as Conrail 6777, Class SD-50.  It became NS PRR 5444, Class SD50, and renumbered NS 5444, Class SD50.  It was rebuilt as 6326, Class SD40E, in June 2010.

5445, Class SD50, was built in May 1984, #837065-13, FN 837065-13, as Conrail 6778, Class SD-50.  It became NS PRR 5445, Class SD50, in 1999 and renumbered NS 5444, Class SD50.  It was rebuilt as 6345, Class SD40E, in November 2011.

PRR 5447, Class SD50, was built in April 1985, #847032-3, FN 847032-3, as Conrail 6782, Class SD-50.  It became NS PRR 5447, Class SD50, in 1999 and sold as National Railway Equipment Co 5447.  It was rebuilt as Kansas City Southern 7000 in 2004 and sold to Larry's Truck Equipment in August 2012.

PRR 5451, Class SD-50, was built in May 1985, #847032-10, FN 847032-10, as Conrail 6789, Class SD-50.  It became NS PRR 5451, Class SD50, in 1999 and sold as NREX 5451.  It was sold to Webb Asset Management as WAMX 5107 and sold to First Union Rail in January 2010.

PRR 5457, Class SD-50, was built in May 1985, #847032-24, FN 847032-24, as Conrail 6798, Class SD-50.  It became NS PRR 5457, Class SD50, in 1999 and sold as NREX 5458.  Later KCS 7005 in 2004 and sold as LREX 7005.

PRR 5460, Class SD50, was built in May 1985, #847032-2, FN 847032-2, as Conrail 6804, Class SD-50.  It became NS PRR 5460, Class SD50,  in 1999 and sold as NRE 5460.  It was rebuilt as KCS 7012 in July 2004.

PRR 5466, Class SD50, was built in January 1986, #857080-8, FN 857080-8, as Conrail 6812, Class SD-50.  It became NS PRR 5466, Class SD50, in 1999 and sold as NRE 5466.  It was rebuilt as KCS 7008 in 2004.

PRR 5469, Class SD50, was built in February 1986, #857080-17, FN 857080-17, as Conrail 6821, Class SD-50.  It became NS PRR 5469, Class SD50, in 1999 and retired on February 1, 2001.  It was sold as NRE 5469.

6508, Class SD50, was built in July 1984, #827041-3, FN 827041-3, as Southern Ry 6508.  It became NS 6508, Class SD-50, was rebuilt as NS 6306, Class SD40-E, in February 2009.

6509, Class SD50, was built in July 1984, #827041-4, FN 827041-4, as Southern 6509.  It became NS 6509, Class SD-50, and sold to Progress Rail.  It was rebuilt in December 2008 as PRLX 4003, PR43C, and sold as NS 4001, Class PR43C.