This locomotive was 6741.
http://crcyc.railfan.net/locos/emd/sd50/sd50proto.html (scroll to the bottom)
http://crcyc.railfan.net/locos/emd/sd50/cr6741c8.jpg
http://www.trainweb.org/csxphotos/photo ... 8661cr.jpg
http://www.trainweb.org/csxphotos/photo ... SX-yn3.jpg
http://www.rrpicturearchives.net/LocoPi ... x?id=12725
http://www.rrpicturearchives.net/LocoPi ... px?id=8862
http://crcyc.railfan.net/locos/emd/sd50/sd50proto.html (scroll to the bottom)
http://crcyc.railfan.net/locos/emd/sd50/cr6741c8.jpg
http://www.trainweb.org/csxphotos/photo ... 8661cr.jpg
http://www.trainweb.org/csxphotos/photo ... SX-yn3.jpg
http://www.rrpicturearchives.net/LocoPi ... x?id=12725
http://www.rrpicturearchives.net/LocoPi ... px?id=8862