Transform your STIHL YardBoss® into a precision trimming tool with the STIHL FS-MM Grass Trimmer Attachment. Engineered specifically for the MM 55 and MM 56 multi-task engines, this attachment allows you to transition from heavy cultivation to detailed lawn maintenance in seconds. Whether you are trimming along fence lines, sidewalks, or around garden beds, the FS-MM provides the reach and cutting power needed to keep your property looking sharp.
This attachment features a high-durability gearbox and a specialized guard designed to deflect clippings away from the operator. It comes standard with the STIHL AutoCut® head, which allows for easy line advancement by simply tapping the head against the ground. The lightweight design ensures excellent maneuverability, making it an ideal solution for homeowners and professional landscapers who want to maximize the utility of their STIHL multi-tool system without hauling multiple dedicated machines.
YardBoss Versatility: The FS-MM attachment is part of the comprehensive STIHL multi-task system, designed to provide professional-grade trimming performance with the same engine you use for tilling, aerating, and dethatching.
Key Features & Benefits
- Seamless Integration: Quick-connect design fits both MM 55 and MM 56 STIHL YardBoss® powerheads.
- AutoCut® Mowing Head: Proven tap-to-advance technology for uninterrupted trimming and easy reloading.
- High-Torque Performance: Optimized gearing ensures consistent cutting power even in thick grass and weeds.
- Operator Protection: Large integrated deflector shield keeps debris and grass clippings contained.
- Lightweight Maneuverability: Balanced design reduces operator fatigue during extended yard maintenance.
Technical Specifications
| Manufacturer Part Number | 4601 740 4909-US |
| Compatibility | STIHL MM 55, MM 56 C-E YardBoss® |
| Cutting Head | STIHL AutoCut® (Tap-to-Advance) |
| Attachment Type | Grass Trimmer / String Trimmer |
| Gearbox Design | Heavy-Duty Sealed Drive |