Largest saw is one of the most powerful in the world. The primary applications for the 3120 XPŽ is extreme logging, portable saw mills, and stump work. This saw is designed to pull the chain on our longest bars-- up to six feet! Like all Husqvarna saws, the 3120 XPŽ has a superior power/weight ratio. Combine Smart StartŽ with LowVib and other ergonomic features, this heavy-duty saw is both easy to start and operate.