SP 6108D
This loco was built in 12/1947 with EMD construction number 4519. It was built as a 1500 hp F3 A-unit. It was painted in the SP's standard for the time black widow colors.
Her alpha suffix was to have been done away with when the F3 fleet was renumbered in December 1949. She was to have became SP 6117, but was sent to the T&NO and renumbered as T&NO 317 prior to this number being applied.
She was rebuilt as an F9M at Houston and renumbered T&NO 634 in 12/1958.
She was retired on 03/22/1966 and sold to EMD on 04/07/1966.