SP SD45T-2 9401 is the lead mid-train helper unit at Cable on the Tehachapi, CA grade in January 1991.

Southern Pacific Lines

SP 9401 is the lead mid-train helper unit at Cable, CA in January 1991.

SP SD45T-2 9401 is the first mid-train helper unit on the train led by the 6849 (previous image). This helper set has 6 units as it enters the double track at Cable and heads for the summit in January 1991.

Nikon N8008s - Fujichrome film