Homemade cargo tractor. By Creative Channel. 25:41 video:
https://www.youtube.com/watch?v=Y1ffjGgYTMM
Previously:
https://www.homemadetools.net/forum/...204#post153876
https://www.homemadetools.net/forum/...387#post154567
https://www.homemadetools.net/forum/...054#post153382
https://www.homemadetools.net/forum/...901#post152681
https://www.homemadetools.net/forum/...950#post137571