This is Husqvarna's 6.6kg powerful 4.3kW engine, this 572XP has a better power-to-weight ratio than any other Husqvarna saw with similar displacement, and 12% higher cutting capacity than the previous equivalent models. Cooling and heavy-duty filtration mean great endurance and performance, while smart design and easy operation keep productivity high even with long guide bars. With AutoTune™, Air Injection™ and LowVib.