As stated by Husqvarna:
Discover the high end of logging and forestry chainsaws. The Husqvarna 390 XP® features professional performance and excellent vibration dampening, making work easier and more efficient than ever before. The LowVib® system and smart ergonomics make this large, powerful saw easy to handle – even with longer guide bars. Additionally, Smart Start® technology guarantees faster start-ups, while the rubber-mounted carburetor boosts durability. Prepare to get the job done like never before. 
