SP 4851
This loco was built in 4/1965 with ALCO construction number 3401-07. 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 the front and a single sealed beam headlight on the rear.
She was renumbered as SP 7110 in the 1965 system renumbering.
She was downgraded to heavy switcher status on 12/02/1972 and renumbered SP 3112.