STIHL® MS 661 C‑M MAGNUM® – 36in Chainsaw | 91.1cc STIHL® Gas EngineThe STIHL MS 661 CM MAGNUM is a highoutput professional chainsaw engineered for extreme forestry, logging, and largediameter woodcutting applications. Built to handle continuous highload cutting with extralong guide bars, this MAGNUM configuration delivers massive torque, fast acceleration, and consistent performance in the toughest working conditions. Key Features 91. 1cc gas powered engine delivers exceptional torque for heavyduty felling and