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Brian,

There are 2 different motors used on the 402. The oldest up to 1923 used a large gear that was close to the wheels flange. It is mounted to the hub by way of 'peening' the gear to the hub. The later unit has the typical 2 hole gear alignment pins on the wheel and uses the smaller gear. You must use 2 motors that are the same.  Harry 

The large gear motor gears are almost the the diameter of the flange and pressed very close to the back of the wheel.  The small gear are no larger than the spoked part of the wheel and have an 1/8th inch gap between it and the wheel back.   Post a pic... we can ID for you... also the large gear motors have a single large reduction gear, the small gear motor have 2 small ones.

 

Last edited by Rob English

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

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