Probably a useless comment.
But since from your description that generator never needs to run again, have you considered some of the extremely crude solutions such as putting some sort of sleeve round the axle, then banging it back into shape with a sledgehammer?
If it was bent by dropping it, "same and opposite force" might render it "fit for use" again?
Since you're posting from the Netherlands, I presume they are F-104G engines, but I don't have the dash number.
CJ