Doneldon.

If you read the cited tread, you'll se that the "solution" mentioned is to swap the drive with another.
Jim describes a way to repair the locomotive, not quite the same and hopefully a lot cheaper. 

Jim Banner writes:
"I have repaired both the Lionel and Bachmann versions when the plastic connector piece slit with age and am willing to write it up if you can confirm that this is the type of locomotive and the problem you are having."

Thanks

Tom Larsen
Holte, Denmark

Hello Jim.

I would like to see your writeup on repairing the drive wheel connectors as well.
This seems to be a general problem with these old models.

Thanks

Tom Larsen
Holte, Denmark