Amtrak also rostered 15 classic GP40 units in the early 1990s, Nos. 650-664, on short-term lease. They include units originally built for New York Central (six units), Illinois Central (one unit ...

This makes Amtrak's classic Phase V-wearing, Genesis-series P42DCs even more endangered, as Chargers enter service on the national network and older locomotives are retired or repainted.