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Per traindr.com, "the C&NW number 283 is among the most popular 1950's S-Gauge locomotives in the Gilbert American Flyer product line. It is well-proportioned in appearance and operates reliably. In 1954, it came with two cataloged sets: one passenger and one freight. ... Actual locomotives also show up with 21084 and 21085 numbering."

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AF 21085 Reverse Unit Wiring

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  • AF 21085 Reverse Unit Wiring

I am not really an AF guy, but AC or DC they all have series wound motors.  That means power will go through one brush out the other brush to the field coil through the field to the opposite power connection.  You can just reverse the brush to field connections to make it go in the opposite direction.  That's essentially what the reverse unit does.

Hope this helps.

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OGR Publishing, Inc., 1310 Eastside Centre Ct, Suite 6, Mountain Home, AR 72653
330-757-3020

www.ogaugerr.com
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