McCormick-Deering 10-20, 15-30 or 22-36?

This is a repost from some months ago, asking what model this tracor is.
I did not get a definitive answer, because I did not provide enough pictures.
This is a family tractor.
What is it? What range of years would it be?
Is it restorable? At what cost???
The tractor has been outside for decades.
One or two sparkies are gone and it's in eastern Idaho, a very dry region.
So, the block may not be cracked from freezing water.
Any and all comments are most welcome.
Note that one image shows the 15-30 designation on one part. So, I think it must be a 15-30 or a 22-36. The 22-36s went by the name of 15-30, because that name was so well known and respected by farmers of the day.

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I would say that it is a 15-30??? thats just what I think.

We have a 10-20 and it is directionally not that. It is too big and its just different.

definitly a 22-36. it has a water pump, which came out on the 22-36. and the stamp shows it was built in 1930.

That gas tank is pretty solid. Bullet holes going in but none coming out!

I DID give you a definate answer to your previous post. Its a 22-36!!!