Looking at the picture, I would agree that this one was probably made by Dolmar, but the one that I saw has a different configuration. The air filter for one thing. It is flat and the rewind is different. I still think McCullough made some of them, but I could be wrong. I just remembered I have two friends who will know if McCullough made them. It may take a couple days to get in touch with them. If I find out I will post on here. One of them used to be a McCullough dealer in the 60s. Tom
From what I have seen...
Wacker=Partner and Dolmar
Target=Mcculloch, Pioneer and Oleo-Mac
Everyone of the Wacker/Dolmar saws I see has a good looking piston on the exhaust side and a dusted beyond serviceable intake side, both piston and cylinder. Really wish there was a AM piston cylinder set for the old 309 series Dolmars.