There's Farmcraft101 if you are interested in DIY builds and repairs. There was a series of videos repairing an excavator from scrap to finish, and he is currently doing a series of videos adding hydro generation to a pond. Interesting metal fabrication, hydraulics, power, etc content.

Farmcraft101 is my absolute favorite channel right now. I can’t wait for fridays when he puts out a new video. I found him a couple of months ago and binge watched all his playlists.