Originally built as CBQ 516 (SD45), 1/69. To BN 6457, CNW 6567 then NREX 6567. Rebuilt/renumbered by Morrison-Knudsen's Hornell (NY) Car Shop as SP 8612 (SD40M-2), 11/94.
Locomotive repainted into historic "Black Widow" paint scheme.
The train is passing the location of the new Caltrain San Antonio station. The "Castro" station at Rengstorff Road is visible at the top of the photo above the locomotive.
Ex-NREX 3107, exx-PNCX 3107, exxx-PNC 3107, nee-UP 3107 (SD40).
This rare photo shows a Caltrain F40 with a set of SP gallery cars.