Ok, thank you so much!
Update one, I was able to find <kuid:871556:100600> download here:
https://theswitchbacktrainz.com/#sounds
Update two, I was also able to find <kuid2:584038:110075:2> download here:
https://jointedrail.com/product/ge-7fdl16-diesel-engine-sounds-u25-u28/
- Alex