STIHL MS400.1 C-M Petrol Chainsaw

Product Details & Features

• Professional user chainsaw
• Guide bar length 16"/40cm , 18"/45cm or 20"/50cm
• Chain pitch 3/8"
• Up to 2-year warranty

The STIHL MS 400.1 C-M Petrol Chainsaw is a high-performance professional forestry chainsaw engineered for demanding felling, delimbing and timber processing applications. Combining exceptional cutting power with advanced engine technology and lightweight construction, this professional petrol chainsaw delivers outstanding performance, manoeuvrability and durability for forestry professionals, arborists and demanding landowners.

As the world’s first chainsaw with a magnesium piston, the MS 400.1 C-M offers an exceptional power-to-weight ratio, making it ideal for intensive professional use where performance and reduced operator fatigue are essential.

Key Features:

Innovative Magnesium Piston Technology – The world’s first chainsaw equipped with a lightweight magnesium piston, reducing overall weight while improving engine response and acceleration. 

Excellent Power-to-Weight Ratio – Delivers outstanding cutting performance with reduced operator fatigue during prolonged professional use.

STIHL M-Tronic Engine Management – Fully electronic engine management system automatically adjusts ignition timing and fuel metering for optimum performance in all conditions. (

Powerful STIHL 2-MIX Engine – Provides strong torque, rapid acceleration and lower fuel consumption with reduced exhaust emissions.

Lightweight Professional Construction – Designed for excellent manoeuvrability and control during demanding forestry and tree maintenance tasks.

HD2 Air Filter System – Long-life heavy-duty air filtration system offers improved engine protection and extended maintenance intervals. 

Captive Nuts & Tool-Free Fuel Caps – Improves convenience and efficiency during maintenance and refuelling.

STIHL Anti-Vibration System – Reduces vibration transfer to the handles for increased comfort and reduced fatigue during extended operation.

Ideal For:

• Professional forestry work
• Felling and processing medium-sized trees
• Delimbing and timber harvesting
• Arborist and contractor applications
• Demanding agricultural and estate maintenance work

Product Details:

Product Type: Professional Petrol Chainsaw
Power Source: STIHL 2-MIX petrol engine
Operation: Petrol powered
Application: Forestry, tree felling and timber processing
Displacement: 66.8 cm³
Power Output: 4.0kW / 5.4HP
Weight: 5.5kg (without guide bar and chain)
Guide Bar Options: 40cm / 16" to 63cm / 25"

Why Choose This Chainsaw:

The STIHL MS 400.1 C-M Petrol Chainsaw delivers exceptional professional cutting performance with advanced engineering designed to maximise efficiency, durability and operator comfort. With its innovative magnesium piston technology and advanced M-Tronic engine management system, the MS 400.1 C-M offers rapid acceleration, excellent handling and impressive cutting power for demanding forestry applications.

The advanced STIHL M-Tronic system electronically controls fuel metering and ignition timing, automatically adapting to temperature, altitude and operating conditions for consistently optimum engine performance without manual carburettor adjustment. This ensures reliable starting, maximum power output and efficient fuel consumption in changing working environments. 

Thanks to its lightweight construction and exceptional balance, the MS 400.1 C-M provides excellent manoeuvrability while maintaining the robust cutting performance required for professional forestry work. Its powerful 2-MIX engine delivers high torque and fast chain acceleration, making it highly effective for felling, snedding and timber processing applications. 

Product Information:

As with all STIHL professional chainsaws, the MS 400.1 C-M is packed with advanced features:

• Lightweight magnesium piston technology
• STIHL M-Tronic fully electronic engine management system
• STIHL 2-MIX engine for improved fuel efficiency and lower emissions
• HD2 heavy-duty air filtration system
• Captive nuts on the sprocket cover to prevent loss during maintenance
• Tool-free fuel and oil filler caps for quick refilling
• Adjustable oil pump for controlled chain lubrication
• STIHL anti-vibration system for improved comfort
• Decompression valve for easier starting
• High-performance professional cutting system
• Durable magnesium construction for demanding professional applications 

The MS 400.1 C-M is the ideal choice for professional forestry workers, arborists and demanding users seeking a lightweight yet exceptionally powerful petrol chainsaw capable of delivering reliable high-performance cutting in intensive daily applications.