The STIHL MS 661 C-M is a high-performance professional chainsaw engineered for demanding forestry work and large-scale tree felling. Built with advanced engine management technology and exceptional power output, it delivers efficiency, durability, and control for intensive cutting operations.
Key Features & Specifications:
- Powerful 91.1 cc professional-grade engine producing 7.2 bhp for heavy-duty cutting performance
- 28-inch guide bar designed for large tree felling and high-volume professional use
- STIHL M-Tronic™ engine management system optimizes performance automatically for consistent power and improved efficiency
- Enhanced fuel efficiency with up to 20% reduction in fuel consumption compared to previous models
- Lightweight design with a powerhead weight of 16.5 lb for improved handling in demanding applications
- Advanced HD-2 long-life filter system extends maintenance intervals and improves engine protection
- ElastoStart™ handle system reduces starting effort for smoother engine ignition
- High-output adjustable oiler ensures proper chain lubrication for sustained cutting performance
- 3/8″ RS3 Oilomatic® chain delivers aggressive, precise cutting capability
- 13.5 oz chain oil capacity and 28.7 oz fuel capacity for extended operation time
- Designed specifically for professional forestry, logging, and large-scale land management tasks
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