Well....
This might help.
Get a pine 2 by 4 and gently tap the driver bushing from the left side to the right.
Your goal is to make it wiggle and loosen ( penetrating oil will help here too ).
If that does not work you could try a collar and a 2 jaw puller.
If that's not an option heat it up with a profane torch until a dab of spit on your finger boils when touched to the bushing ( No Hotter ).
Then quickly squirt a 2 second blast from an inverted can of duster INTO the center of the bushing at the end of the crank shaft.
This might crack things loose.
Combination of oil, tap and rapid heating cooling will eventually break it free.
Remember I said tap not beat on with 2 by 4 beat will bend your crank and destroy you bearings
Also turn the crank as you tap, this is still bad for the bearings but by moving it around you will spread the damage and reduce the probability of doing some catastrophic harm
In the future use some never seize and shim washers.
You are not the first to have the trouble.