Ready for felling, limbing and bucking of mid-sized trees, this Husqvarna 20 in. 545 Mark II gas chainsaw designed for professional tree work, features a 3.6 HP X-Torq(R) engine that reduces fuel consumption and gasoline emissions, an AutoTune carburetor, and a Smart Start® starter that helps the chainsaw start quickly and easily. Powerful, durable and easy to maneuver, this chainsaw has excellent ergonomic comfort features and is equipped with the LowVib® anti-vibration system. A side-mounted tensioning system allows for quick adjustments. Plus, the chainsaw has an inertia-activated chain brake for added safety. This chainsaw model comes with an X-cut® chain and X-Force bar that ensure precision cutting performance.