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deuce_roadster · 07-05-2020, 10:39 AM

There is a Letter code near the Ford script on the case. My 40 generators have a U and I believe the 39s have a T. Probably early 40s could have a T also. We all know who has the definitive answer to this and may chime in here!
I might be remembering wrong but I think I read somewhere the 39 standards still had a cutout and the deluxe cars had a voltage regulator. Not sure about this. I haven't owned a 39.

07-05-2020, 10:39 AM	#7
deuce_roadster Senior Member Join Date: Oct 2011 Location: Shelton, WA Posts: 3,800	Re: 39 generator There is a Letter code near the Ford script on the case. My 40 generators have a U and I believe the 39s have a T. Probably early 40s could have a T also. We all know who has the definitive answer to this and may chime in here! I might be remembering wrong but I think I read somewhere the 39 standards still had a cutout and the deluxe cars had a voltage regulator. Not sure about this. I haven't owned a 39.