Amtrak #6 with AMTK 156 as Third Unit

The eastbound California Zephyr passes Agency, Iowa in the evening of July 11, 2019. Three engines are leading Amtrak #5 instead of the usual two. The third one is the 40th anniversary heritage unit AMTK 156. "Rudolph," as he's sometimes known, wears the Phase I paint scheme. This train was caught earlier by YouTube user ‪@adamghimenti6988‬ at West Sacramento, California:    • Amtrak #6 w/Heritage Unit @ West Sacrament...  , by user ‪@owenthetrainman7219‬ at Lincoln, Nebraska:    • Tie Train and Amtrak 6 with Phase 1 Herita...  , by user ‪@Midwesttrains21‬ also near Lincoln:    • Amtrak 156 on 7 and a half hour late CZ  , and by user ‪@Thunderbolt1996Productions‬ in Emerson, Iowa:    • Amtrak 6 with phase 1 heritage motor passe...  . Consist: Amtrak 144 GE P42DC Amtrak 38 GE P42DC Amtrak 156 GE P42DC Phase I Anniversary unit 61032 baggage car 39037 transition dormitory car 32055 sleeping car 32069 sleeping car 32034 sleeping car 38028 dining car 33018 sightseer lounge 31011 baggage-coach 34099 coach 34058 coach