Chevy Van snowcat.
https://s3-us-west-1.amazonaws.com/h...d_fullsize.jpg
Previously:
https://www.homemadetools.net/forum/...178#post126266
https://www.homemadetools.net/forum/...711#post123839
https://www.homemadetools.net/forum/...818#post144161
https://www.homemadetools.net/forum/...484#post142896
https://www.homemadetools.net/forum/...062#post141009
https://www.homemadetools.net/forum/...075#post134237