Originally Posted by gregcharger72
It's a very hard material. The main shaft should be ok, once you get the support off. I've rarely seen the main shaft hurt because of a failure like that, at most you will need to polish it.

I would agree. 40 year ago my brother was given 60 gallon air compressor that the owner had run low on oil eek
We took it apart and it had an aluminum connecting rod. Polished the Aluminum off the crank, installed a new rod (8.00 IIRC) and it's still in use beer