If it looks as nice in person as it does in the pictures I'd consider that more a collector piece and would try to find a collector to purchase it. That looks really good. Wish I was closer and had the room, I'd take it. Also for reference, last year in southern Wisco there was another nice...
Why do you think the gear failed? Did a stone jam the auger? Seems odd that it would break on its own.
I need to give mine some love but I've been needing it the last couple days.
Here's something maybe outside the box, but are the starter mounting castings both intact? I had a KT17 that broke one of them.
Crank bearings intact? I have a KT17 here that was running that I can wiggle the crank up and down, quite a bit, but probably not enough to give the issue you have...
I'd jump the starter solenoid and see if it can turn over the engine, then if that checks out I'd start going through the starter circuit/safety switches.
I've got a 1050 with a 38". It's the 3 blade deck, the 2 little ones and the large center one.
It's a 3 speed gear drive. IDK who the trans manufacturer is....it isn't the 1100/482/582s etc trans. They are nice tractors.
I added a spring assist and creeper from a parts 1200 to mine.