On June 15, 2021, P42DC AMTK 161 and ALC42 AMTK 300 sat in Chicago's Amtrak Yard after the Refreshed Superliner Interiors event. The AMTK 161 replaces the 40th Anniversary Phase I painted 156, which was damaged in an accident, while AMTK 300 is the first Phase VI and first ALC 42 engine in the fleet.

More at: https://media.amtrak.com/2020/08/amtrak-prepares-for-new-diesel-locomotive-fleet/