Update: Firstly - much thanks for the input on the 122/126 interchangeablilty.
Went to have a look-see at the 122 with the idea of having an engine donor for my 126. In my pea brain, I'm thinkin' I hit a gold mine. The 122 IMHO is a basket case - at least for my abilities to restore it and given the 126 is the GD of the moment, this 122 should be a great donor.
The engine started and ran great on the tractor after pointing out to the PO that he ought to rely on giving the engine something other than a shot of starting fluid. Once some gas was given, the engine fired-off and ran smooth and smoke free. This engine was not the original, it was black and I gather a crate engine.
One of the things I wanted was the tractor to start and run such that you could drive it onto my trailer. I got enough crippled tractors and I didn't want another one (even if a parts tractor) . The tractor seemed somewhat strong going forward, but the clutch would slip in reverse, but none the less, it drove up onto my trailer.
Tractor came with a front blade, a deck with cast iron sides - maybe 38 inch, might be a 42 inch deck, I didn't see a tag.
The front blade appears to be in good shape and has round skid shoes at each side.
Not sure how this "pin on" type attachment is going to work with the quick hitch, but I've got plenty of time to work through it.
Aside from the engine, this tractor had a 3 point hitch (what I call sleeve hitch) - less the actual brackets that come out to meet a moldboard plow. It has the linkage to the lift handle, the cast iron pivot at the top rear and round bar to it and the lower bracket that bolts to the bottom of the transmission. It also has a spring assist. I assume all this stuff will fit my 126?
The engine has a solid muffler and a Walboro carb. Not sure why it wouldn't have a Carter carb, but it is what it is.
In addition to this, the PO gave me a box of parts. With it is an extra set of mowing blades, another muffler, carb, cast iron oil pan and head. The muffler is very solid and fairly new looking as though it has some surface rust, there is still a fair amount of galvanizes or aluminized metal untouched by rust. The carb body casting is not the same shape as the Walboro that's on the engine. Not sure if this is a Carter or how to tell, but I'll look into it going forward. I'll be using the extra muffler on the 109.
All in all, a great day.