SP 6110B
This loco was built in 01/1948 with EMD construction number 4562. It was built as a 1500 hp F3 B-unit. It was painted in the SP's standard for the time black widow colors.
Her alpha suffix was done away with when the F3 fleet was renumbered in late 1949 as she became SP 8020. She was transferred to the T&NO and renumbered as T&NO 520 on 04/11/1950.
She was rebuilt as an F9M at Houston and renumbered T&NO 707 in 07/01/1955.
She was retired on 11/20/1967 and sold to EMD on 12/27/1967.