Stihl MS 661 C-M Chainsaw | 404 Magnum 63cm/25" Bar 3946 Chain 77 Link Product Details High-performance petrol saw for even the toughest jobs For professional hardwood forestry Easy starting and optimised engine performance with STIHL M-Tronic Competition chainsaw in the STIHL TIMBERSPORTS® series Fuel-efficient chainsaw was designed for the demanding professional 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 petrol 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.