SP 7221
This loco was built in 3/1962 with EMD construction number 27108. It was built as a freight engine. It was painted in standard for the time bloody nose colors and featured a full 5 light headlight arrangement on each end.
She was assigned number SP 4071 in the 1965 system renumbering.
She entered the GRIP program and emerged as SP 4106 in 04/14/1976.