videos in AudioSet
A list of about a million ten-second YouTube clips, each labelled with the sounds in it, that Google published in 2017. Labs use it to train and test general audio and music models.
Including Cummins Engine Remanufacturing In Action, Inside Cummins: This Is Beijing Foton Cummins Engine Company, Cummins 6.7's Biggest Fan (Pt 6): No Feet With Exhaust Brake