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Reply to "Legacy Conversion Williams Brass N&W J Class #611"

The main difference between the 550 and 555 is the 550 is three pole and the 555 is 5 pole so it should run a bit smoother but check the stall current. I think both are 10 amps plus!!!

Pete

OGR Publishing, Inc., 1310 Eastside Centre Ct, Suite 6, Mountain Home, AR 72653
800-980-OGRR (6477)
www.ogaugerr.com

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