A mixture of SP and UP power at the diesel service in the Ashland yard. On the right is SP 9095, UP 3572, SSW 8373, and SP 9114. On the left is SP 8830, SSW 9267, and SSW 9371.
A dirty and worn out SP 7552 leads SSW 7792, SSW 7270, SP 8992 and Conrail 6694 west towards Tucson. Just about any train on the SP Sunset Route would have a pool power unit in the consist.