OK, judging by the weeds, I was expecting maybe 10 cars -- turns out it was way longer, so I watched some, then got bored. But Youtube remembers that I like trains, and among the suggestions was the following, which I suppose has been featured on Altamont Press before:
UP 844 Pushes a Stalled 11,620 Ton Freight Train
https://www.youtube.com/watch?v=RU9uEwSGp9M
Now that is an impressive video.