The STIHL MS 661 C-M professional chainsaw is a real powerhouse, offering strong and consistent performance. It combines cutting-edge technology with an optimum power-to-weight ratio of 1.4 kg/kW and is ideal for particularly tough and demanding forestry applications. Even thick wood can be processed effectively and quickly using this gas-driven chainsaw. The chainsaw is powered by a 5.4 kW (7.3 hp) STIHL 2-MIX engine, which ensures a consistently high performance thanks to STIHL M-Tronic. The controlled-delivery oil pump reliably supplies the cutting attachment with oil and enables the use of long and very long cutting attachments. Technical details Displacement (cc) 91.1 cc Weight (lbs.) 16.7 lbs. Power (Hp) 7.3hp Recommended Bar Lengths 20''/ 25''/ 28''/ 32''/ 36" Featured Price Bar (in) 20'