A Union Pacific grain shuttle departs Salt Lake City for a trip west on former WP rails to Northern California. The UP 6937 was built the UP 7549 in January 1999 as a 6000 horsepower C60AC. It would later be converted and renumbered to become just another AC4400CW. On a side note, I seriously doubt anyone would confuse the UP 6937 with the UP 6936, a member of UP's Heritage Fleet based out of Cheyenne, Wyoming.
