The STIHL MS661 is a professional-grade petrol chainsaw built for maximum cutting performance in demanding forestry, logging, and agricultural environments. Renowned for its exceptional power, durability, and reliability, the MS661 is the ideal choice for professional loggers, plantation operators, arborists, contractors, and heavy-duty wood processing operations.

Engineered with advanced STIHL technology, this high-performance chainsaw delivers impressive cutting speed and torque, allowing users to tackle large trees, hardwood timber, and intensive cutting tasks with confidence. Its rugged construction is designed to withstand harsh working conditions while maintaining consistent performance over extended periods.

The ergonomic handle design and advanced anti-vibration system help reduce operator fatigue, providing improved comfort and control during long working hours. Whether for commercial forestry operations or large-scale land clearing projects, the STIHL MS661 offers professional results every time.

Key Features:

• Professional-grade petrol chainsaw
• High-power engine for demanding applications
• Fast and efficient cutting performance
• Heavy-duty construction for long service life
• Advanced anti-vibration technology
• Ergonomic design for operator comfort
• Suitable for forestry, logging, and plantation work
• Reliable performance in challenging environments 

Specification:

• Technical specifications:  Value
• Displacement : 91,1 cm³
• Power output: 5,4/7,3 kW/bhp
• Weight:    7,4 kg
• Power-to-weight ratio: 1,4 kg/kWSound pressure level : 105 dB(A)
• Sound power level: 118 dB(A)
• Vibration level left/right :  6,9/5,6 m/s²
• Saw chain pitch: 3/8"

• Tree felling and harvesting
• Commercial logging operations
• Forestry and timber production
• Plantation maintenance
• Land clearing and site preparation
• Large tree cutting and removal
• Hardwood cutting and processing
• Sawmill and timber yard operations
• Agricultural estate management
• Firewood production
• Storm damage cleanup
• Arborist and tree care services