In a previous post about these motors, I wondered if I could change the brushplate on a 681-100 motor with that of a 671m-1 motor, strictly for sake of appearance in the finished locomotive. Yes, the brushplates can be swapped, and the appropriate brushes installed. The one motor that I purchased (eBay) was missing the ball bearings, and was sloppy, but did run. I have since replaced the bearings, and installed a 671 style brushplate, with immediate success, and it runs fantastic. This motor is being used in a 2020 loco, that I had to repair and restore. I could have left the motor as it was, but it didn't look right to me, because of the brushplate.
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