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Papa D and a few others (including the plant manager) took designs, customers and likely other things to start Advanced DC Motors when Prestolite shut down the Syracuse factory. Years later, papa D and his gang sold out to AMD. D and D are papa D's two sons. Get the picture?

Actually the motors from Advanced DC and D&D are pretty solid. D was able to do a good job of copying the Prestolite products. They stuck with proven technology and seemingly didn't risk any advanced technology, contrary to company's first name.

To compare the two motors you have, measure the armature core diameter and length, comm size and number of segments (comm bars). Also take the field resistance. Brush size is more important for short time overload ratings.


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