Putting the front final drive together wouldn't have been too bad going together, but ... the new seal had an "undetectable metal collar" inside of it. I couldn't get the spindle to slide into place. By accident, I discovered the metal ring, which, I suspect was to help hold it compressed a bit or to have a hard surface to drive it in. ?? Once I got rid of that, it went together with no problem.
Today, I got the PTO replaced, with the help of my mechanic. He took a couple of days to try and make some more hay, so suggested I give it a shot. I needed stronger c-ring pliers, which be brought to me. We pulled the shaft, and something dropped to the bottom. Fortunately, there is a removable plate underneath, which was needed, to retrieve the bearing, which dropped and an access hole to hold everything in place, while inserting the new PTO shaft. Works fine on the brush hog, now.