The STIHL MS 391 chainsaw is a high-performance gasoline-powered chainsaw designed for demanding cutting tasks in agriculture, landscaping, and forestry. It features a powerful, fuel-efficient engine and a heavy-duty air filtration system for long service life. The MS 391 has an advanced anti-vibration system for comfortable use and a side-access chain tensioner for easy chain adjustments. It is a rugged and reliable tool for a wide range of cutting applications, making it a great choice for those who need a powerful and durable chainsaw.

