You just don’t see these units for sale up here in the PNW.
https://spokane.craigslist.org/pts/d/spokane-cj-jeep-pto-belt-drive/7658248856.html
“1949 CJ3a PTO assembly with the Belt Drive adapter. Still currently mounted in the jeep so it can be used and shown to work. Only thing missing is the Novi Governor under the hood. I’m not much of a farmer and I don’t intend to restore this jeep to factory so I’m selling just the PTO.”