What do you need to know about the implement? Get the spacing right for your 2 row planter, get some shear pins and go to town. You can get points at Ag Supply.
I only had 1 hit for a PDF file, yet when going there, the file was 404 error, not found.Just mainly curious about it. I like the odd older equipment.
Best i can tell is bush hog carried these in the early 60's. I have found other rebranded implements from that time but zero on this subsoiler.