That would explain why the lead loco is a three digit engine # starting with 4, like the 479 7 482?
I wonder if any of the new SD23T4s* are being equipped with ACSES. I sure hope so, 'cause those beasts are wild and it would be fun to see them up here.
*SD40s rebuilt with GE 6-cylinder engines. They have huge flared radiators and they sound like an ALCO RS-1.