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A professional chainsaw with one of the best power-to-weight ratios in the industry.

Rated 4.9 out of 5 by 73reviewers.
Rated 5 out of 5 by best choice of saws My wife bought me this for Christmas and it has cut down my cutting time by over 50% ...I sold my off brand saw and moved up ...the duel port muffler is extra power and let's the neighbor know my Stihl 660 is running! This cuts through 25 bundles of wood so fast its amazing...the .404 chain and 25 inch bar makes me smile every time I use it...a load of logs just seems to be a wheelbarrow size when this saw chews through it so fast! Thanks STIHL! May 26, 2013
Rated 5 out of 5 by ms 660 magnum and alaskan mkIII This combo allows me to harvest lumber that is unheard of for projects, ie telephone poles into barn siding, beech, oak, hickory, pine, and sassafras from my twenty acre lot. Saw runs through all of them without complaint. My life is better for the decision to buy it.. April 4, 2015
Rated 1 out of 5 by This product has locked up on me with proper oil gas ratio I have had 3 Sthil saws lock up on me or over heat using proper oil to gas ratio and was not covered under all started with the new 2 cycle oil mix that was sold about two years ago, I have problems with all of my saws ever since. March 19, 2015
Rated 5 out of 5 by A true work horse! I bought my 660 several years back and have been completely happy with it! Equipped with a 28" bar, it has taken on everything I have thrown at it!It works well equipped with a 20" bar. But if 20" is your mainstay, the 660 is probably more saw than you will ever need. February 22, 2015
Rated 5 out of 5 by Big Saw Big Power I've had Stihl saws and products for 30 years. First saw was an 028 Super that still runs great. I've added pro saws 020T, 046 Magnum, MS 261, 362, and 660. Right saw for the job. I mostly run the 046 and other saws including the 028. When I get into bigger wood the 660 and 42" bar takes care of business. If bucking a lot, I save time using the 660 even if I change to a 25 bar. A mistake on Stihl Usa website for the 660 and 880 saws, the tab "We Also Suggest" lists Woodsman case even though these saws will not fit in the case. I do always use ethanol free gas with Stihl Ultra Oil and everything continues to run strong. The dealer network is tops. February 18, 2015
Rated 5 out of 5 by Great saw This was my first STIHL saw I have purchased and I am glad I did. Easy to start and has all the power I need and then some. A little heavy but well worth it. My next outdoor power equipment will definitely be a STIHL. We run two different bar lengths a 25" and a 36" bar and it has all the power you need. February 18, 2015
Rated 5 out of 5 by best all around saw We have a 441 and a 660.The 441 is a real good saw, but the 660 gets it all done with its fire breathing growl. Every time I run this beast just puts a smile on my face and makes all cutting jobs happen real fast!Great saw for felling and trimming - super torque and pure power on top end. February 14, 2015
Rated 5 out of 5 by Love this saw Had a 311 needed more power so I owned up and bought this beast!! this is the saw you need don't waste you're money on anything else!! February 12, 2015
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