Husqvarna 550 XP® is developed for professional loggers and skilled land owners. The saw has a ground breaking design and is loaded with innovative solutions for efficient, convenient operation. Our unique X-Torq® engine technology provide more power where you need it, up to 20% less fuel consumption and 60% less exhaust emission. RevBoost™ provides instant high chain speed for extra efficient de-limbing. 50.1cc / 3.75HP / 10.8 Lbs.