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I confess that I don't know all that much about chainsaws when compared to some on this site, but I am pretty sure that all of the Makita saws are made by Dolmar. Having said that, I bought a used Makita 6401 on ebay a couple of weeks ago. It had a bad bar, and I figured out that the bar oil was truned off, and it started hard when warm because of it. Other than that I have been very surprised with how strong this saw cuts. If there is such a thing as Makita/Dolmar I for one sure wouldn't worry about it. I read somewhere that the DCS in the Makita designation for the model number stands for Dolmar Chain Saw. I don't think you can go wrong if you are looking to buy a new saw. JR