Here is a compilation of videos shot of the California Zephyr throughout the 2010s and 2020s so far. Am extra bonus footage of the Southwest Chief is also included!
Timestamps:
0:00 Intro
0:06 ATSF Private Car
0:30 Three P42s
0:53 Extra Sleeper
1:35 P42 71 with Hybrid K5LA
2:20 P42 7
2:25 P42 19
4:37 P42 163
6:13 P42 147 with 2nd Gen K5LA (Sounds like K5L)
8:35 P42 82 Phase VII Livery
9:39 P42 135 with K5LAM
10:33 (Bonus) Southwest Chief P42 192