The mobile machining and metalworking military trailer, or SEGPRSM (Shop Equipment, General Purpose Repairs Semitrailer Mounted). Around $10K on a government auction site.
https://diqn32j8nouaz.cloudfront.net/segprsm1.jpg
https://diqn32j8nouaz.cloudfront.net/segprsm2.jpg
https://diqn32j8nouaz.cloudfront.net/segprsm3.jpg
https://diqn32j8nouaz.cloudfront.net/segprsm4.jpg
https://diqn32j8nouaz.cloudfront.net/segprsm5.jpg
https://diqn32j8nouaz.cloudfront.net/segprsm6.jpg
https://diqn32j8nouaz.cloudfront.net/segprsm7.jpg
Manual: https://diqn32j8nouaz.cloudfront.net/segprsm_manual.pdf
7:11 video:
https://www.youtube.com/watch?v=FtS2j_41pFw
Previously:
https://www.homemadetools.net/forum/...353#post165925
https://www.homemadetools.net/forum/...382#post161855
https://www.homemadetools.net/forum/...116#post141296
https://www.homemadetools.net/forum/...262#post106746
