Soviet artillery tractor. 2:28 video:
https://www.youtube.com/watch?v=8sv-wRXVvV0
1:42 video:
https://www.youtube.com/watch?v=OPVNlyK0k5g
4:00 video:
https://www.youtube.com/watch?v=ZMQ5pntFQ_E
More: https://en.wikipedia.org/wiki/MDK-2M
Previously:
https://www.homemadetools.net/forum/...993#post100437
https://www.homemadetools.net/forum/...491#post122730
https://www.homemadetools.net/forum/...017#post120191
https://www.homemadetools.net/forum/...2016#post75586