SP 5329
This loco was built in 9/1953 with EMD construction number 18394. It was built as a reserve passenger engine with steam generator and twin 1200 gallon tanks, one for diesel fuel and one for boiler water. It was painted in standard for the "tiger stripe" colors and was delivered with barrel oscillating and twin sealed beam headlights at each end.
She was assigned number SP 2736 in the 1965 system renumbering.
All of the SD7's were renumbered as a group in 1973 to make room for new MP15 switch engines. This unit was renumbered SP 1436.
She entered the GRIP program and emerged as SP 1521 on 2/19/1980.