Well, I'm sure everyone is curious as to how I made out today, or, maybe you're just bored and could use a laugh.
I realized when rechecking what I did Friday that I forgot to put the key back in the right axle after moving the drive collar back where it was supposed to be. Once I did that, the gears seemed to respond how I thought they should. I can't seem to get to the sheared off drive pin, so I decided to leave well enough alone and see if it would move.
I thought I had the endplay adjusted, and when I fired it up and engaged reverse, it actually went backwards! I started down the driveway, and it kicked out of gear a couple times, and eventually stopped moving once I got it on level pavement. I reset the endplay, but ran into a problem when I barely had enough cotter-pin hole left on the right axle to get the pin in.
So... I started it up again, and decided to head up the slope toward the back yard next to the garage. It didn't seem to have much power, and suddenly started to kick in and out of gear. Now, at this point, I was on the steepest part of the slope, between the garage and my trailer. The slope was steep enough that when the doggone thing jumped completely out of gear and started backwards, and I mashed the brake pedal to the floor and nothing happened, that I got slightly worried. In retrospect, I should have gotten really worried, but I didn't have time.
The slope did not improve for at least 60 feet, at which point I would have crossed the driveway and headed down a cliff toward a creek in the neighbor's yard, so, thinking as quickly as possible, I cut the wheels to the right after I passed the trailer. As the tractor started to tip, I somehow threw myself off, landing on my feet while the 900 rolled twice, coming to rest on its side, (still running). The oil bath air cleaner dumped its contents over the engine, causing quite a festive amount of smoke until I was able to get the engine shut off.
I may have tweaked my back a bit, but otherwise, I'm uninjured. (I know someone would ask). The 900 suffered a bent-up steering wheel, both headlight bulbs were ejected from their housings, (and I can't find one of the retainer clips), the hood was scuffed a bit, and it seemed to have an oil leak somewhere in the vicinity of the bottom of the air cleaner.
I picked the thing up and put it back on all four wheels, wiped up some oil, and left it along the driveway. I have not tried to start it.
Two positives from the experience: 1. I'm uninjured. 2. My wife and neighbors didn't see it happen and are none the wiser.
I'm going to have to give this some thought. I'm already about $80 in the hole in parts to get this transmission/gear case up and running, but it was kind of obvious as I was accelerating backwards that THIS ISN'T GOING TO WORK! I'm aware of a local 1050 sans engine that supposedly has a good transmission (and a deck, and probably a straight steering wheel), that I can pick up somewhat reasonably. I could re-power the 1050, or re-gear the 900.
I appreciate all of the help I have received in my short time here, and I hope I may have entertained you with my (absolutely true) "day with the tractor".