STIHL MS 661 C-M Chainsaw

MS 661 C-M


Professional Grade

Gas Powered

Displacement: 91.1 cc

Power: 7.2 bhp

Powerhead Dry Weight: 16.5 lbs

Fuel Capacity: 28.7 oz

Bar length: 32"

Max bar length: 36"

Chain: 3/8" RS3

Chain Oil Capacity: 13.5 oz

STIHL recommends #3624 (33 RS3 84) OILOMATIC® saw chain and 25" 3003 000 4030 Ematic™ guide bar combination. Compatible guide bar ranges: 16" to 32

Learn More About This Family of Products



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 MS 660. Other features include a long-life filter system using HD-2 filter elements to provide longer run times between maintenance, an ElastoStart™ handle, and a high output adjustable oiler. (Wrap-handle version available in select areas.) See MS 661 R C-M.