The FS 40 is a reliable and easy to use petrol grass trimmer that is perfect for trimming lawn edges and small areas of grass in your garden.
It has a simplified starting system to make it easy to start at all times - just set the choke, pump the fuel primer and pull the starter cord and you'll be ready to start trimming.
It also features a multi-function control handle, so it's easy to operate using just your thumb. The efficient STIHL 2-MIX engine deliver more power with less fuel consumption compared to a standard 2-stroke engine.
It comes as standard with the AutoCut C 6-2 mowing head which uses nylon mowing line to trim the grass, but you can also fit the PolyCut 6-2 mowing head with polymer blades or a DuroCut 5-2 head which uses serrated line pieces, to mow thicker, tougher grass.
The FS 40 is an easy to use grass trimmer that helps you get the job done quickly.
Features
2-MIX engine technologySTIHL's 2-MIX engine is designed to be powerful and economical, increasing power output whilst also reducing fuel consumption.
Multi-function control handle
The multi-function control handle means the FS 40 is easy to operate using just your thumb so you can use the tool securely and comfortably.
Simplified starting system
Simply set the choke, pump the fuel primer, pull the starter cord and you are ready to start trimming! The FS 40 can be switched off after a brief press of the stop button. Once the machine is at a standstill, the ignition activates again automatically so the ignition is always ready to be started.
Manual fuel pump
The manual fuel pump delivers fuel to the carburettor at the touch of a button so it's easier to start even after longer breaks in use.
FAQs
QWhat type of cutting attachment does this use?A: The FS 40 uses an AutoCut C 6-2 mowing head, with 2.0mm mowing line.
QCan I use other cutting attachments with this tool?
A: You can swap the AutoCut C 6-2 for a PolyCut 6-2 which uses polymer blades or a DuroCut 5-2, which uses serrated line pieces. You can't use metal cutting tools with this grass trimmer.
QWhat should I wear when using this grass trimmer?
A: We recommend that you wear snug-fitting clothes, goggles, a face shield, gloves, ear defenders and sturdy boots or shoes, and tie back long hair.
Tips
#1Storing your FS 40Store your FS 40 in a clean and dry area and keep out of the reach of children at all times. Don't leave your machine with unused fuel in it for long periods of time.
#2Make the most of your mowing line
To get the most of your mowing line, simply pop it in a bucket of water for 12-24 hours before using it to make it more flexible and less likely to break. .
#3Check for wildlife
Don’t forget to check your work area for wildlife before starting to use your tool. In particular, you should check for nesting birds before trimming hedges, as well as checking for other small animals such as hedgehogs before trimming long grass.
Technical Specifications
| Weight kg 1) | 4.4 |
| Sound pressure level with standard tool dB(A) 2) | 94 |
| Sound power level with standard tool dB(A) 2) | 107 |
| Vibration value, left with standard tool m/s2 3) | 7 |
| Vibration value, right with standard tool m/s2 3) | 6.4 |
| Total length cm 4) | 145 |
| Displacement cm³ | 27.2 |
| Power output kW/bhp | 0.7/1.0 |
| Cutting diameter mm | 380 |
| Tank volume l | 0.34 |
| Standard cutting tool | AutoCut C 6-2 |
1) Without fuel, cutting tool and without protection
2) K-factor according to DIR 2006/42/EC = 2.5 dB (A)
3) K-factor according to DIR 2006/42/EC = 2m / s ²
4) Without cutting tool
5) without cutting tool and deflector
The version(s) available in each country may differ from the above range and specifications; specific details may be subject to change without notice. Please ask your local STIHL Approved Dealer for further information.
