Took apart Melrow harrow weeder. All you have to do is fabricate hitch for your style tractor using 4x4" tube.
This is heavy duty. If you want more shanks, I may find more in our piles, other wise you can get them at farm supply stores.
Approximate measurements are;
Overall width 60"
Digger section 52" length
Drag section 63" length
Can be taken apart for easier hauling.
Located near Windom MN