Southern Pacific (SP) 5103 was sitting in Eugene, Oregon, on Friday, June 21, 1974.
SP 5103 was a GE 70 Tonner, SP Class GS407-1. Reportedly: it was built in 1949, builders number 30166, as SP 5103, SP Class DERS-200. In 1950 it was rereclassed to SP Class DF-200. In 1963 it was again reclassed to SP Class DS-500. In 1965 it was once again rereclassified to SP Class GS407-1. It was retired in 1975. It became Staufer Chemical 510.