Northbound empty NS 737 (Juliette,GA-Memphis/BNSF) lean into the curve on the main 2 track while climbing Howardsville grade on the north side of Cohutta, GA (MP-25.5H) on the NS Atlanta North-End. With a combine horse power rate of 17,400HP with the additional DPU on the rear the 150 car empty coal bucket race up the grade without any issue. The empty train will run north to Chattanooga where the inbound crew will swap with the outbound crew, and the train will run west to Sheffield, than eventually will arrive to Memphis, TN to the BNSF Railway.
The EMD SD (special duty) series are a strong and reliable kind of locomotive which still serve America's rails today. They have proved themselves reliable by clocking in several million miles of freight service over several decades.