The STIHL MS391 Chainsaw is a high-performance petrol chainsaw designed for demanding domestic users, farmers and professional landowners who require strong cutting power and long-lasting reliability. Ideal for firewood preparation, felling medium-sized trees and estate maintenance, the MS391 combines high torque with rugged construction for consistent performance in tough conditions. Built with STIHL’s advanced engine technology and durable components, this chainsaw delivers excellent cutting efficiency while maintaining user comfort during extended use. Key Features: High-Performance Petrol Engine – Delivers strong torque and consistent power for felling, logging and firewood cutting tasks. STIHL 2-MIX Engine Technology – Improves fuel efficiency and reduces exhaust emissions while maintaining excellent cutting performance. Robust, Professional-Grade Construction – Built for durability and long service life in demanding environments. Advanced Anti-Vibration System – Reduces vibration levels to improve comfort and control during prolonged cutting sessions. Side-Access Chain Tensioning – Allows quick, convenient chain adjustments with minimal downtime. High-Capacity Air Filtration System – Extends service intervals and protects the engine in dusty working conditions. Ideal For: Firewood cutting and preparationFelling medium-sized treesEstate, farm and land maintenanceDemanding domestic and semi-professional use Product Details: Product Type: Petrol ChainsawEngine Type: PetrolEngine Technology: STIHL 2-MIXDesign: Robust, high-torque constructionChain Tensioning: Side-accessApplication: Felling, logging and firewood processing Why Choose This Chainsaw: The STIHL MS391 Chainsaw offers the ideal balance of power, durability and user comfort for demanding cutting applications. Its high-torque engine, efficient fuel consumption and rugged build make it a dependable choice for users who require consistent performance across a wide range of tasks. Backed by STIHL’s trusted engineering and reliability, it’s a powerful tool built to perform day after day. The STIHL MS391 semi-professional chainsaw has a modern design and features STIHL's 2-stroke engine with 2-MIX technology which cuts fuel consumption by up to 20% and emissions by up to 50% when compared with Stihl’s conventional 2-stroke engines. STIHL's MS391 is fitted with a 64.1cc engine that generates 3.3kW / 4.5hp giving superior performance and provides outstanding cutting characteristics to meet the many demands of farmers, gardeners, landscapers and craftsmen when felling trees, building with wood and performing landscape, farm or garden maintenance. STIHL have fitted to the MS391 their long-life air filter system to ensure maximum life from the air filter. Operator comfort is assured thanks to professional anti-vibration technology that minimises vibration transfer to the operator. Effortless starting of the MS391 is achieved thanks to a decompression valve which reduces the energy required for starting. The MS391 also features STIHL's side chain tensioning which keeps your hands away from the chain whilst turning the adjuster to adjust the chain tension. An adjustable oil pump ensures that the rate of chain and guide bar lubrication can be adjusted to suit the operating conditions. Common to most STIHL chainsaws, the master control lever enables the stop, start and choke functions to be controlled from just one lever. The STIHL MS391 is available with a 16” (40cm), 18” (45cm) or 20” (50 cm) guide bar. Please note, cutting length will always be a little shorter than the bar length because of the way guide bars are measured. The difference between the guide bar length and cutting length varies by chainsaw model.
