We were using the 806D. About four times too much tractor, but the pto shaft was too long for my Kubota. I don't know why, but the drawbar is about 6" too short for most pto implements. I have a longer one around, but the snow would have to be melted for me to find it. One neat trick for using a bigger tractor is to get a pto shaft made up with a 1000 rpm end on it, then idle the tractor way down. A 4020 would run that just off of idle no problem.
Don't know Cory. Must have teeked it somehow Two days ago. Swollen on back of palm and doesn't want to open & close.
Due to the way the tree was I was one-handing w/left hand a lot more than normal...that could be it, or I might have knocked it on something but don't remember doing that.