You are in the CarrTracks website Picture Gallery.
Extra 8378 East (train WCKCM) pulls into Mohawk siding on December 17, 1985. The train has engines 8378, 7857, 7765, and 9049. Mohawk is at milepost 793.
A unique feature on SD45 9049 is the red letter Southern Pacific on its side. Disk 55