Doubt any survived there were so few, but who knows what may beat the odds..
That's a regular window version. The ones I've seen in the US were panel models (no rear windows, barn doors instead of tailgate) set up as ambulances or communication trucks.
I haven't seen any Wagoneers in person but I do know they were here. There's a whole series of Viet YouTube videos that show different cities in VN prior to 1975. Slide show with old Viet music. Have seen the Wagoneers in those vids.