I highly recommend checking out the other historical videos on youtube uploaded by these folks. Most of them have actual sound and are of stunning quality.
This one is a bit rougher, but hey its from 1929. Heres some damaged footage of pacing a Mohawk with ACTUAL sound:
I agree wholeheartedly. I stumbled across Speed Graphic Film and Video a while back and he has some incredible archival footage on his channel. Imagine seeing and hearing the Commodore Vanderbilt, New York Central Hudson 5344, on what appears to be her break-in and publicity trip in the vicinity of West Albany shops. That's only the tip of a very large iceberg of material on there.
2531 is the second engine in class L1b, (55 engines numbered 2530-2584)
These were ancient beasts, built in 1917. They lacked mechanical stokers and feedwater heaters as built. Imagine hand firing that behemoth.