MS 661 C-M
professional chainsaw with enhanced fuel efficiency and STIHL M-Tronic™ technology
General
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.
Versions
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MS 661 C-M 3/8" R Chainsaw
The version(s) available in each country may differ from the above range and specifications; specific details may be subject to change without notice. Please ask your local STIHL Approved Dealer for further information.
Technical data

Technical data
Technical data | Value |
---|---|
Displacement cm³ | 91,1 |
Performance kW | 5,4 |
Weight kg 1) | 7,4 |
Power-to-weight ratio kg/kW | 1,4 |
Sound pressure level dB(A) 2) | 105 |
Sound power level dB(A) 2) | 118 |
Chain pitch | 3/8" |
Tank volume l | 0,85 |
Chain brake | QuickStop |
Anti vibration system | Standard AV-System |
Carburettor | STIHL M-Tronic |
Oil tank volume cm3 | 400 |
1) Without fuel, without bar and chain
2) K-factor according to DIR 2006/42/EC = 2.5 dB (A)
The version(s) available in each country may differ from the above range and specifications; specific details may be subject to change without notice. Please ask your local STIHL Approved Dealer for further information.
Features

Standard features
The version(s) available in each country may differ from the above range and specifications; specific details may be subject to change without notice. Please ask your local STIHL Approved Dealer for further information.
Documents
Gebrauchsanleitungen
Languages | Date | Link |
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2019-07-31 |