second unit is a TFM "Super 7" C30-S7R
A41 is on its way west, having completed its switching chores around Opelika.
The power from A41 is backing down to the train with an additional gon to add after switching industries south of downtown.
an ex Conrail SD50, now KCS, on NS local A41 as seen from train A48
If no one cuts down those trees growing beside the embankment, this shot will be impossible in a few years.
Notice the railfan-photographing engineer.