The STIHL MS 661 C-M is an extremely powerful 5.4 kW professional chainsaw, engineered for forestry and large timber harvesting. Equipped with advanced 2-MIX technology and STIHL M-Tronic (M) electronic engine management, it delivers optimal performance, rapid acceleration and sustained maximum torque under the toughest conditions.
The M-Tronic system automatically adjusts ignition timing and fuel supply while compensating for external temperature, ensuring the engine runs at peak efficiency at all times. This intelligent engine management eliminates the need for manual carburetor adjustments and provides consistent performance regardless of altitude, temperature or fuel quality.
Built for durability, the MS 661 C-M is extremely robust, features low vibration levels and is designed for professional operators who demand reliability and performance in demanding forestry applications. The combination of exceptional power, advanced engine management and operator comfort makes this chainsaw ideal for the most challenging professional forestry work.
Perfect for professional foresters and logging contractors who need an extremely powerful, reliable chainsaw for large timber harvesting and demanding forestry applications, the MS 661 C-M delivers exceptional performance with intelligent M-Tronic engine management.