I will close this out by saying SUCCESS! After looking some motors over, I decided on the motor for the 4-6-0 Harry Potter Hogwart Express. The screw holes aligned with the screw holes in the mounting bracket. And it had the shortest worm gear to pull. And it had the small benefit of a couple of brass flywheels. Pulling the worms off wasn't as nasty job as I expected. I laid a hot solder iron on the worm gear on each motor for about 3 minutes this expanded the gear enough to quickly use a thin narrow punch while it still hot and knock the gear off the shaft without damaging the new motors. After everything cooled, I was able to tap the worm gears from the original motors on the new motors. Just little taps at a time and the gears went on without bending the motor shaft. Maybe a little luck was involved there. Remounted the motor assemblies with a little new grease. Wired the motors back up and crossed my fingers. To my amazement it worked and ran smooth. YEA! I know of a couple of people that are going to be excited tomorrow! I'm not going to charge them a whole lot, the time I spent on research and repair time I'm taking as a personal challenge to see if it could be fixed with the parts I had on hand. I enclosed some pictures of the new motor with the new gear on and the original motor, and after every thing was back together. Now I just hope these motors will last longer than the originals! Thanks for your support and reading this...................out.
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