Tree stomper machine, designed and built by the legendary R.G. LeTourneau in 1964:
https://www.youtube.com/watch?v=s7yw4qzRdl4
Unfortunately no sound to the video, but the patent is available: https://www.google.com/patents/US3366192?dq=us3366192
https://s3-us-west-1.amazonaws.com/h...per_patent.png
Previously: https://www.homemadetools.net/forum/...d-loader-59096