SP 5708
This loco was built in 5/1956 with EMD construction number 21401. It was built as a freight engine. It was painted in standard for the time black widow colors and featured a full 5 light headlight arrangement on each end.
She was assigned number SP 3540 in the 1965 system renumbering.
She entered the GRIP program and emerged as SP 3400 in 5/1974.