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Congratulations!! That's a significant find.

I know this is an old old post , and found it looking for a solution for a 33 V12 generator/regulator/cutout problem I have.
It's a 33 Packard conv. V12 , the generator did not appear to be charging , showing a slight discharge on the ammeter. It "looked" like it had the correct Owen Dyneto combo regulator/cutout on it till I opened it up and found some modern conversion that appears to be a diode ??
Had the generator tested and it is fine.

I am now looking for a solution to replace it , as all the original internals of the O.D. are gone.

I have looked up the few types that are mentioned in the post and find none. Is there one that will work for now as I search the world for a replacement that will fit under the original O.D. cover.

I pulled the base apart in search of a number and found none.

The O.D. generator is type 00119 s# 830216

Thanks !

Unless you can find a NAPA VR755 which I believe will prove to be nearly impossible, you best choice may be to disconnect but leave the current cutout/regulator in place for cosmetic purposes, convert the generator to a 2-brush unit, and install and hide a modern regulator in some out of sight location. Jason at AER in Grand Ledge MI should be able to help you with this.

A few sources for exact fit replacement units, and 6V positive ground regulators, for potential retrofit.

https://www.tucsonpackard.com/product-page/dyneto-packard-voltage-regulator-d100-0528

https://www.steinertractor.com/ABC153-6-Volt-Voltage-Regulator?srsltid=AfmBOorH3qRbiqBx7LvO9UiHcdoSlCiq1vwwNYO7P2U7ecH5Bw3l2VJi

https://brillman.com/shop/?brillman_product%5BhitsPerPage%5D=15&brillman_product%5BhierarchicalMenu%5D%5Bcategory_lvl0%5D%5B0%5D=Products&brillman_product%5BhierarchicalMenu%5D%5Bcategory_lvl0%5D%5B1%5D=R.%20Voltage%20Regulators%20%26%20Cutouts

https://smithcoelectric.com/products/8040-6163-new-premium-generator-regulator-6v-pos-ground-usa

Thanks ! I will check these out. Spent hours looking last night and sorting thru posts this morning.

Will try and put up a couple pics.

R