OP
artcarneyagr
Bronze Member
Yeah, you can use grade 8 or whatever you think you need. I just made what was needed using some grade whoknows 1/2" bolts and some scrap pieces of 1/4" diamond plate to make the brackets. It's what I had in the shop, and is plenty tough enough. Welded the pipe to a 3"x5" piece of plate, and cut 4 pieces of the plate into
1 1/2"x5" straps. Maybe this picture shows the brackets better. I did use u-bolts similar to what you show for the cultivator shank mounted on the 3 point upright. Again, more than strong enough for the application. Hope this helps.
Edit: I need to correct some dimensions from my earlier post. The hiller crossbar was fabbed to 44" to fit inside the 48" footprint of my old 50 8N. I now have a 66 1020. It has a 5' center tread to center tread width. In both instances, the width of the hiller to tread width allows for cultivating the rows. Important for weed control, and in potatoes hilling or laying up in the rows. You're driving on an established tire track which is easier to keep 3 point tools on track and not digging up crops.
![]()
How tall is that mast (the vertical 2x2 going from the bar to the toplink)?