When professionals need to fell large trees in massive quantities, they reach for the saw built for the heavy lifting: the STIHL MS 661 C-M. This high-performance powerhouse features an impressive power-to-weight ratio and is the go-to choice for large-scale forestry operations. The MS 661 C-M chain saw is equipped with cutting-edge technologies for the best possible performance for the logging and harvesting industries. It boasts a high power-low weight ratio and is the lightest chain saw in its engine displacement class. When professionals need to fell large trees, in large quantities, they reach for the saw they know has the power to get the job done —the MS 661 C-M. Prices, terms, and availability may differ online and in-store. Prefer to buy in-store? Visit an authorized STIHL dealer for in-store purchases, advice and service. The pictures shown are sample photos. Stihl MS 661 C-M Commercial Chainsaw with 25in guide bar delivers power and precision for any job. Buy now: Mobile, AL pickup or delivery! When professionals need to fell large trees, in large quantities, they reach for the saw they know has the power to get the job done – the MS 661 C-M. Featuring an impressive power-to-weight ratio and STIHL M-Tronic™ engine management technology, the MS 661 C-M chainsaw also delivers less vibration and 20% greater fuel efficiency than the. New & Used Stihl MS 661 chainsaws for sale in USA. Find used chainsaws on Machinio. The economical STIHL 2-MIX engine with 1-in-4channel technology features a high torque over a wide speed range. The chainsaw provides fuel savings of up to 20% compared to STIHL two-stroke engines in the same performance class without 2-MIX technology. STIHL MS661C Magnum Chainsaw Professional w/ 27 Bar & Chain joryutsop (4739) 99.8% positive Free delivery from store with qualifying online purchases of $50 or more. The MS 661 Magnum professional chainsaw delivers the reliable power and rugged dependability you need for felling, de-limbing and bucking large diameter trees. This chainsaw features a simple, proven and non-electronic design.