SP 6104A
This loco was built in 10/1947 with EMD construction number 4510. 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 June 1949. She was to have became SP 6108, but was sent to the T&NO and renumbered as T&NO 308 prior to this number being applied.
She was rebuilt as an F9M at Houston and renumbered T&NO 611 in 01/26/1956.
She was retired on 05/21/1968 and sold to EMD on 05/23/1968.