FS 40 - Modern, convenient and very easy to start. Ideal for around-the-garden trimming tasks.
Selection Petrol lightweight grass trimmers and brushcutters

FS 40

Modern, convenient and very easy to start. Ideal for around-the-garden trimming tasks.

General

FS 40
More pictures

The lightest brushcutter of the new generation. Modern appearance, convenient operation and very simple starting procedure are the highlights of the new generation STIHL grass trimmer range. The number of steps needed to start the machine has been drastically reduced. The frustration of a flooded engine is virtually eliminated. New 2-stroke engine with stratified charge allows fast acceleration, low emissions, reduced fuel consumption. With bent shaft, loop handle and AutoCut mowing head ideally for trimming small areas of grass and around obstacles.

Versions

Price

* Manufacturer's recommended retail price updated as of February 2018 The manufacturer's recommended retail prices are subject to change without notice.

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.

Technical data

FS 40

Technical data

Sound power level with metal tool dB(A) 1) 109
Sound pressure level with metal tool dB(A) 1) 97
Power output hp 1
Performance kW 0.7
Displacement cm3 27.2
Weight kg 2) 4.4
Sound pressure level with plastic tool dB(A) 1) 94
Sound power level dB(A) 1) 107
Vibration value, right with plastic tool m/s2 3) 6.4
Vibration value, left with plastic tool m/s2 3) 7
Total length cm 4) 145
Cutting diameter mm 380
Tank volume l 0.34
Displacement cm³ 27.2
Power output kW/bhp 0.7/1.0
Weight kg 5) 4.4
Standard cutting tool AutoCut C 5-2

1) K-factor according to DIR 2006/42/EC = 2.5 dB (A)
2) Without fuel, cutting tool and without protection
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.

Features

FS 40

Standard features

  • Reduced-emission engine technology Zoom
    Reduced-emission engine technology

    2-stroke engine with stratified charge. A fuel-free layer of air is created between the burned charge in the combustion chamber and the fresh charge in the crankcase, reducing the amount of fuel lost during the charge cycle. This results in more power with a lower weight, up to 20% lower fuel consumption than regular 2-stroke engines and significantly reduced exhaust emissions.

  • Manual fuel pump (Purger) Zoom
    Manual fuel pump (Purger)

    A small fuel pump delivers fuel to the carburettor at the touch of a button. This reduces the number of starting strokes required following extended breaks in operations.

  • Simplified starting system Zoom
    Simplified starting system

    Simply set the choke, pump the fuel primer, pull the starter cord and away you go! The running machine then switches off after a brief press of the stop button. Once the machine is at a standstill, the ignition activates again automatically. Thus the ignition is always ready for starting.

  • Multi-function control handle Zoom
    Multi-function control handle

    Easy, comfortable thumb-operated control means the operator's hand never leaves the handle.

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.

Cutting Attachments

FS 40

Cutting Attachments

    • AutoCut mowing head C 6-2 for grass trimming Zoom
      AutoCut mowing head C 6-2 for grass trimming

      Double mowing line head for trimming and thinning work. Mowing lines are automatically extended when the mowing head is tapped on the ground. Easy loading system for quick and simple line refill. Featuring a low profile for more control and more precise trimming results. Compatible with line diameters of 2.0mm and 2.4mm.

    Versions

    Price

    * Manufacturer's recommended retail price updated as of February 2018 The manufacturer's recommended retail prices are subject to change without notice.

    • AutoCut mowing head C 6-2 for grass trimming Zoom
      AutoCut mowing head C 6-2 for grass trimming

      Double mowing line head for trimming and thinning work. Mowing lines are automatically extended when the mowing head is tapped on the ground. Easy loading system for quick and simple line refill. Featuring a low profile for more control and more precise trimming results. Compatible with line diameters of 2.0mm and 2.4mm.

    Versions

    Price

    * Manufacturer's recommended retail price updated as of February 2018 The manufacturer's recommended retail prices are subject to change without notice.

    • DuroCut mowing head Zoom
      DuroCut mowing head

      Double or quadruple lines, for mowing and thinning work. Up to four lines can be easily inserted. Compatible with many different sizes and types of mowing line.

    Versions

    Price

    * Manufacturer's recommended retail price updated as of February 2018 The manufacturer's recommended retail prices are subject to change without notice.

    • PolyCut mowing head Zoom
      PolyCut mowing head

      Universal cutting tool for trimming and working on large areas. With three moving plastic knives.

    Versions

    Price

    * Manufacturer's recommended retail price updated as of February 2018 The manufacturer's recommended retail prices are subject to change without notice.

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.

Accessories

FS 40

Accessories

    • Plastic blades for PolyCut 6-3, 20-3, 41-3 Zoom
      Plastic blades for PolyCut 6-3, 20-3, 41-3

      Replacement plastic blades for PolyCut mowing head 6-3, 20-3, 41-3, set of 12 white blades.

    Versions

    Price

    * Manufacturer's recommended retail price updated as of February 2018 The manufacturer's recommended retail prices are subject to change without notice.

    • Line pieces for DuroCut mowing head Zoom
      Line pieces for DuroCut mowing head

      Replacement line pieces for DuroCut mowing head.

    Versions

    Price

    * Manufacturer's recommended retail price updated as of February 2018 The manufacturer's recommended retail prices are subject to change without notice.

    • Basic harness Zoom
      Basic harness

      Basic harness

    Versions

    Price

    * Manufacturer's recommended retail price updated as of February 2018 The manufacturer's recommended retail prices are subject to change without notice.

    • Protective cover for brushcutters Zoom
      Protective cover for brushcutters

      Perfect transport protection for the engine housing of brushcutters and clearing saws. For FS 38 - FS 450.

    Versions

    Price

    * Manufacturer's recommended retail price updated as of February 2018 The manufacturer's recommended retail prices are subject to change without notice.

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.

Documents

Owners manuals and safety brochures

STIHL FS 40, 50 (GB) Download PDF, 1.3 MB

Notes:

  • STIHL and VIKING online owner’s manuals are usually for the latest versions of the machine. Your product may be a slightly older production model but the manual will still be appropriate for the relevant model number.
  • The languages ​​contained in the document are also displayed in brackets, for example (GB) = English.

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