Posted 3/22/2020 21:30 (#8130498 - in reply to #8130105) Subject: RE: PTO ditcher
WCIL
Our old small Amco has 2 shear bolts on the pto shaft. I don't know original size, but we were breaking them in the tough bottom ground. Drilled them out to 1/2" helped a lot. Pretty hard on tractor in some conditions. Not many rocks here.