WW2 Japanese railroad tank.
https://s3-us-west-1.amazonaws.com/h...drail_tank.jpg
Previously:
https://www.homemadetools.net/forum/...262#post161427
https://www.homemadetools.net/forum/...839#post133520
https://www.homemadetools.net/forum/...977#post160463
https://www.homemadetools.net/forum/...309#post158002
https://www.homemadetools.net/forum/...137#post157547