FSA 90 Cordless Brushcutter

Powerful cordless brushcutter with bike handles

Powerful, cordless, bike handle brushcutter for working on large areas of tough grass. Supplied with a 260mm, two sided grass cutting blade and double shoulder harness for comfort. The ergonomic control handle features STIHL ECOSPEED technology, allowing for partial load control and increased run times.

Versions Price
FSA 90 excluding battery and charger £342.00*
  • Technical data
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    Technical data Value
    Cordless technology AP System
    Rated voltage V 36
    Recommended battery AP 300
    Run time with AP 100 min 1) up to 12
    Run time with AP 200 min 1) up to 24
    Run time with AP 300 min 1) up to 30
    Run time with AP 300 S min 2) up to 37
    Standard cutting tool GrassCut 260-2
    Sound pressure level dB(A) 3) 73
    Sound power level dB(A) 3) 84
    Vibration value, left, with line head m/s2 4) 3.5
    Vibration levels, left, with metal blade m/s² 1
    Cutting diameter mm 380
    Vibration value, right, with line head m/s2 4) 3.5
    Vibration level, right, with metal blade m/s² 1
    Total length cm 5) 177

    1) Run times may vary depending on the application
    2) Battery life times are approximate and may vary depending on application
    3) K-Wert nach RL 2006/42/EG = 2,0 dB(A)
    4) K-factor according to DIR 2006/42/EC = 2m / s ²
    5) Without cutting attachment

  • Features
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    Standard features

    • Hanging loop

      Hang your cordless brushcutter securely on a wall to save space using the loop in the handle housing.

    • Bike handle

      When used in conjunction with a harness, the bike handle enables a smooth mowing action. The bike handle allows the machine to be easily guided, making it ideal for working on large areas and thus reducing fatigue.

    • Safety locking button

      All STIHL battery products have a locking button with which you can lock the device. This prevents the grass trimmer starting unintentionally when a live battery is inserted.

    • STIHL Electric Motor (EC)

      The STIHL electric motor (EC) is extremely energy efficient, lightweight and compact. It runs quietly, generates very low vibrations and does not require servicing.

    • Tool protection

      The cover for occupational safety and protection of the flail head is fitted with two screws quickly.

    • Protective goggles
      Protective goggles

      For your safety, the glasses are well ventilated and have a wide side protection.

    • STIHL ECOSPEED

      STIHL ECOSPEED enables the user to control the brushcutter engine speed individually on the operating handle.

  • Cutting Attachments
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    • GrassCut 230-2 / 260-2 grass-cutting blade
      GrassCut 230-2 / 260-2 grass-cutting blade

      Steel double blade, reversible. For working on areas of tough grass.


      230 mm – 2 B – for FS 55 R / FS 55 / FS 56 RC-E / FS 56 C-E / FS 70 RC-E / FS 70 C-E / FS 91 / F S 111 / FS 131 / FSA 130 / FSA 130 R / FS 94 RC-E / FS 94 C-E / FSA 90 R / FSA 90 / FS 240 C-E / FR 131 T / FR 460 TC-EFM


      260 mm – 2 B – for FS 91 / F S 111 / FS 131 / FSA 130 / FSA 130 R / FS 94 RC-E / FS 94 C-E / FSA 90 R / FSA 90 / FS 240 C-E / FR 131 T / FR 460 TC-EFM

      Versions Price
      260 mm (2 B) £24.10* Save and compare
      Save and compare
    • GrassCut 230-4 grass-cutting blade
      GrassCut 230-4 grass-cutting blade

      Made of steel. With four cutters for mowing thick, dry grass and reeds.


      230 mm – 4 B (Brushcutter) – for FS 55 R / FS 55 / FS 56 RC-E / FS 56 C-E / FS 70 RC-E / FS 70 C-E / FS 91 / F S 111 / FS 131 / FSA 130 / FSA 130 R / FS 94 RC-E / FS 94 C-E / FSA 90 R / FSA 90 / FS 240 C-E / FR 131 T / FR 460 TC-EFM


      230 mm – 4 B (Clearing Saw) – for FS 360 C-EM / FS 410 C-EM / FS 460 C-EM / FS 460 C-EM L / FS 490 C-EM

      Versions Price
      230 mm (4 B) (Brushcutter) £20.90* Save and compare
      Save and compare
    • GrassCut 230-8 / 255-8 grass-cutting blade
      GrassCut 230-8 / 255-8 grass-cutting blade

      Made of steel with 8 teeth for mowing thick, dry grass and reeds.


      230 mm – 8 T – for FS 55 R / FS 55 / FS 56 RC-E / FS 56 C-E / FS 70 RC-E / FS 70 C-E / FS 91 / F S 111 / FS 131 / FSA 130 / FSA 130 R / FS 94 RC-E / FS 94 C-E / FSA 90 R / FSA 90 / FS 240 C-E / FR 131 T / FR 460 TC-EFM


      255 mm – 8 T – for FS 360 C-EM / FS 410 C-EM / FS 460 C-EM / FS 460 C-EM L / FS 490 C-EM / FS 560 C-EM

      Versions Price
      230 mm (8 T) £20.90* Save and compare
      Save and compare
    • GrassCut 230-2 / 260-2 grass-cutting blade
      GrassCut 230-2 / 260-2 grass-cutting blade

      Steel double blade, reversible. For working on areas of tough grass.


      230 mm – 2 B – for FS 55 R / FS 55 / FS 56 RC-E / FS 56 C-E / FS 70 RC-E / FS 70 C-E / FS 91 / F S 111 / FS 131 / FSA 130 / FSA 130 R / FS 94 RC-E / FS 94 C-E / FSA 90 R / FSA 90 / FS 240 C-E / FR 131 T / FR 460 TC-EFM


      260 mm – 2 B – for FS 91 / F S 111 / FS 131 / FSA 130 / FSA 130 R / FS 94 RC-E / FS 94 C-E / FSA 90 R / FSA 90 / FS 240 C-E / FR 131 T / FR 460 TC-EFM

      Versions Price
      230 mm (2 B) £13.40* Save and compare
      Save and compare
    • AutoCut 2-2 / C 25-2 mowing head
      AutoCut 2-2 / C 25-2 mowing head

      Double lines, for mowing and thinning work. Mowing lines are automatically extended when the mowing head is tapped on the ground.


      AutoCut 2-2 – for FSA 56/FSE 52


      AutoCut C 25-2 – for FS 55 R / FS 56 RC-E / FS 56 C-E / FS 70 RC-E / FS 70 C-E / FS 55 / FS 91 / FS 111 / FS 94 RC-E / FS 94 C-E / FS 131 / FS 240 C-E / FSA 90 R / FSA 90 / FSA 130 R / FSA 130 / FR 131 T / FR 460 TC-EFM

      Versions Price
      AutoCut C 25-2 - 2.4 mm £36.00* Save and compare
      Save and compare
    • AutoCut C 26-2 mowing head
      AutoCut C 26-2 mowing head

      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 2.4mm and 2.7mm.

      AutoCut C 26-2 – for FS 55 R / FS 56 RC-E / FS 56 C-E / FS 70 RC-E / FS 70 C-E / FS 55 / FS 91 / FS 111 / FS 94 RC-E / FS 94 C-E / FS 131 / FS 240 C-E / FSA 90 R / FSA 90 / FSA 130 R / FSA 130 / FR 131 T / FR 460 TC-EFM

      Versions Price
      AutoCut C 26-2 - 2.4 mm £36.00* Save and compare
      Save and compare
    • SuperCut mowing head
      SuperCut mowing head

      Double line, for mowing and thinning work. Mowing lines are automatically adjusted for optimal cutting length.


      SuperCut 20-2 – for FS 55 R / FS 56 RC-E / FS 56 C-E / FS 70 RC-E / FS 70 C-E / FS 55 / FS 91 / FS 111 FS 94 RC-E / FS 94 C-E FS 131 / FS 240 C-E / FSA 90 R / FSA 90 FSA 130 R / FSA 130 / FR 131 T FR 460 TC-EFM


      SuperCut 40-2 – for FS 360 C-EM / FS 410 C-EM / FS 460 C-EM / FS 460 C-EM L / FS 490 C-EM

      Versions Price
      SuperCut 20-2 - 2.4 mm £37.50* Save and compare
      Save and compare
    • DuroCut 20-2 mowing head
      DuroCut 20-2 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.


      DuroCut 20-2 – for FS 55 R / FS 56 RC-E / FS 56 C-E / FS 70 RC-E / FS 70 C-E / FS 55 / FS 91 / FS 111 / FS 94 RC-E / FS 94 C-E / FS 131 / FS 240 C-E / FSA 90 R / FSA 90 / FSA 130 R / FSA 130 / FR 131 T / FR 460 TC-EFM

      Versions Price
      DuroCut 20-2 £41.30* Save and compare
      Save and compare
    • TrimCut mowing head 31-2 / 41-2 / 51-2
      TrimCut mowing head 31-2 / 41-2 / 51-2

      Double line, for mowing and thinning work. Mowing lines are extended by hand.


      TrimCut 31-2 – for FS 55 / FS 55 R / FS 56 RC-E / FS 56 C-E / FS 70 RC-E / FS 70 C-E / FS 91 / FS 111 / FS 131 / FS 240 C-E / FSA 90 R / FSA 90 / FSA 130 R / FSA 130 / FR 131 T / FR 460 TC-EFM


      TrimCut 41-2 – for FS 360 C-EM / FS 410 C-EM / FS 460 C-EM / FS 460 C-EM L / FS 490 C-EM


      TrimCut 51-2 – for FS 560 C-EM

      Versions Price
      TrimCut 31-2, 2.4 mm £31.70* Save and compare
      Save and compare
  • Accessories
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    • ADVANCE X-TREEm forestry harness

      Offering outstanding ergonomic design, specially developed for long periods of forestry work using circular saws. Highly comfortable to wear due to the length-adjustable back section and infinitely variable load distribution between the shoulders and hips, for FS 90 – FS 560, and FSA 90.

      Versions Price
      ADVANCE X-TREEm forestry harness - one size £128.50* Save and compare
      Save and compare
    • ADVANCE PLUS universal harness

      With quick release system for fast connection and disconnection of brushcutters. Suitable for FS 50 - FS 560, FSA 90.

      Versions Price
      ADVANCE PLUS universal harness - one size £63.40* Save and compare
      Save and compare
    • Hip pad - FS support cushion with comfort hook

      For retrofitting to all FS harnesses in the ADVANCE series without comfort carry rings.

      Versions Price
      Hip pad £48.60* Save and compare
      Save and compare
    • AP 100 Battery

      Compatible with the AP System. Light weight 36 V Lithium-Ion battery with charge level indicator (four LEDs). 94 Wh battery energy, weight 0.8 kg. Compatible with all AL chargers; AL 101, AL 300 and AL 500. Click on the technical data tab of individual products to learn more about machine run times.

      Battery weight kg 0.9
      Rated voltage V 36
      Capacity Wh 0) 94
      Nominal cell capacity (according to manufacturer) Ah 2.6
      Battery cell technology LITHIUM-ION
      Capacity ah 2.4
      Charge voltage V 42
      Temperature range °C 5-40
      Discharge temperature range °C -10-50

      1) Energy content according to cell manufacturer specification. To increase the service life, the energy content available in the actual application is lower.

      Versions Price
      AP 100 £115.00* Save and compare
      Save and compare
    • AP 200 Battery

      36 V, 187 Wh Lithium-Ion battery. The AP 200 offers excellent run times on our cordless tools. The battery has an integrated LED charge indicator, clearly displaying as and when the battery needs charging. Compatible with the AL 101, AL 300 and AL 500 charger unit. Click on the technical data tab of individual products to learn more about machine run times.

      Battery weight kg 1.3
      Rated voltage V 36
      Capacity Wh 0) 187
      Nominal cell capacity (according to manufacturer) Ah 2.6
      Battery cell technology LITHIUM-ION
      Capacity ah 4.8
      Charge voltage V 42
      Temperature range °C 5-40
      Discharge temperature range °C -10-50

      1) Energy content according to cell manufacturer specification. To increase the service life, the energy content available in the actual application is lower.

      Versions Price
      AP 200 £145.00* Save and compare
      Save and compare
    • AP 300 Battery

      Powerful 36 V, 227 Wh Lithium-Ion battery. The AP 300 offers increased run times for those bigger jobs. The battery has an integrated LED charge indicator, clearly displaying as and when the battery needs charging. Compatible with the AL 101, AL 300 and AL 500 charger unit. Click on the technical data tab of individual products to learn more about machine run times.

      Battery weight kg 1.8
      Rated voltage V 36
      Capacity Wh 0) 227
      Nominal cell capacity (according to manufacturer) Ah 2.1
      Battery cell technology LITHIUM-ION
      Capacity ah 6
      Charge voltage V 42
      Temperature range °C 5-40
      Discharge temperature range °C -10-50

      1) Energy content according to cell manufacturer specification. To increase the service life, the energy content available in the actual application is lower.

      Versions Price
      AP 300 £195.00* Save and compare
      Save and compare
    • AP 300 S Battery

      The AP 300 S is a high capacity Lithium-Ion battery that will power any tool within the STIHL AP System. With an energy capacity of 281 Wh, this battery offers an impressive 25% increase in capacity compared to the AP 300, and with an Amp-hour capacity of 7.8, this battery will consistantly power AP System tools for longer. The four LED lights let you know how much charge is left within the battery.

      Battery weight kg 1.8
      Rated voltage V 36
      Capacity Wh 0) 281
      Nominal cell capacity (according to manufacturer) Ah 2.6
      Battery cell technology LITHIUM-ION
      Capacity ah 7.2
      Charge voltage V 42
      Temperature range °C 5-40
      Discharge temperature range °C -10-50

      1) Energy content according to cell manufacturer specification. To increase the service life, the energy content available in the actual application is lower.

      Versions Price
      AP 300 S battery £255.00* Save and compare
      Save and compare
    • AP holster with connecting cable

      Makes it possible to transfer energy between a STIHL AP battery and a tool with a socket. Can be combined with the battery belt carrying system with harness. Cable length: 120 cm. With integrated electronics for overload switching with acoustic signals. For use with STIHL AP System tools that require a connecting cable.

      Versions Price
      AP holster with connecting cable £142.00* Save and compare
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    • AP battery belt with harness

      Sturdy and ergonomically shaped belt with comfortable harness for weight distribution across hips and shoulders. Reduced total weight in the hand, as the battery in the AP holster with connecting cable is worn on the belt. Power is transmitted in combination with additional accessories, such as by the AP holster with connecting cable for tools with a socket, and additionally with an AP adapter for tools with a battery slot.

      Versions Price
      Battery belt with harness £75.00* Save and compare
      Save and compare
    • AR 1000 Backpack battery

      Lithium-Ion backpack battery with a large capacity for longer running times. Designed to work with the AP System. Sturdy housing with base and charge level indicator (six LEDs), comfortable and ergonomically harness with integrated carry handle and rain protection cover. 626 Wh battery energy, weight 5.5 kg. Click on the technical data tab of individual products to learn more about machine run times.

      Battery cell technology LITHIUM-ION
      Capacity Wh 0) 626
      Capacity ah 16.6
      Charge voltage V 41
      Battery weight kg 4.3
      Temperature range °C 5-40
      Rated voltage V 36
      Weight with carrying system kg 5.5
      Rated capacity Ah 17.4
      Nominal capacity cell (according to manufacturer) Ah 2.9

      1) Energy content according to cell manufacturer specification. To increase the service life, the energy content available in the actual application is lower.

      Versions Price
      AR 1000 £648.00* Save and compare
      Save and compare
    • AL 101 Standard charger

      230 V charger, recommended for STIHL AK System batteries. With operating mode indicator (LED) and passive battery cooling. Cable tie with Velcro strap.The charger can be wall mounted if required.

      The standard charger will fully charge an AK 10 battery in 95 minutes, AK 20 in 180 minutes and AK 30 in 205 minutes.

      The standard charger will fully charge an AP 100 battery in 100 minutes, AP 200 in 200 minutes, AP 300 in 250 minutes and AP 300 S in 300 minutes.

      Rated voltage V 220-240
      Weight kg 0.7
      Rated current A 0.7
      Charge time - AK 10 battery min 0) 95
      Charge time - AK 20 battery min 0) 180
      Charge time - AK 30 battery min 0) 205
      Charging time AP 200 min 0) 200
      Charging time AP 300 min 0) 250
      Charging current A 1.6
      Power output kW 0.08
      Protection class II

      1) Charge time in minutes to 100% capacity
      2) Charge time in minutes to 100 % capacity
      3) Up to 100 % capacity

      Versions Price
      AL 101 charger £40.00* Save and compare
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    • AL 300 Quick charger

      Quick charger for STIHL Lithium-Ion batteries. With operating mode indicator and active battery cooling.

      The quick charger will fully charge an AK 10 battery in 45 minutes, AK 20 in 55 minutes and AK 30 in 60 minutes.

      The quick charger will fully charge an AP 100 battery in 50 minutes, AP 200 in 55 minutes, AP 300 in 75 minutes and AP 300 S in 70 minutes.

      Weight kg 1.2
      Mains voltage V 220-240/50
      Charging time AR 1000 min 0) 180
      Charging time AP 200 min 0) 55
      Charging time AP 300 min 0) 75
      Charging time AR 2000 min 0) 250
      Charging time AR 3000 min 0) 300
      Rated voltage V 220-240
      Power output kW 0.3
      Weight kg 0) 1.2
      Rated current A 2.3
      Protection class II
      Charging current A 6.5

      1) Up to 100 % capacity
      2) 0

      Versions Price
      AL 300 quick charger £70.00* Save and compare
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    • AL 500 Hi-speed charger

      The quickest charger for STIHL Lithium-Ion batteries. With operating mode indicator and active battery cooling.

      The hi-speed charger will fully charge all the AP System batteries in 45 minutes. The AL 500 is highly recommended to charge the AR 2000 L(150 min) and AR 3000 L (220 min) backpack batteries.

      Charging time AR 1000 min 0) 120
      Weight kg 1.3
      Charging time AR 2000 min 0) 130
      Charging time AR 3000 min 0) 160
      Rated voltage V 220-240
      Power output kW 0.6
      Weight kg 0) 1.3
      Rated current A 2.6
      Protection class II
      Charging current A 12

      1) Up to 100 % capacity
      2) 0

      Versions Price
      AL 500 Hi-speed charger £126.00* Save and compare
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    • Carry bag for STIHL battery accessories

      Soft bag for safe transport and storage of up to 2x AK or AP System batteries and 1x STIHL charger.

      Versions Price
      Carry bag for STIHL battery accessories £24.00* Save and compare
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    • Guard for metal mowing tools

      Protection against flying cuttings.

      • Guard for metal mowing tools, Ø 260 mm for FSA 90
      • Guard for metal mowing tools, Ø 230 mm for FS 55 / FS 56 / FS 70
      • Guard for metal mowing tools, Ø 305 mm for FS 91 / FS 111 / FS 131 / FS 240 / FSA 130 / FSA 135 / FR 460 / FS-KM
      • Guard for metal mowing tools, Ø 305 mm for FS 361 C-EM, FS 411 C-EM, FS 461 C-EM, FS 491 C-EM FS 560 C-EM
      • Guard for metal mowing tools, Ø 350 mm for FS 560
      • Guard for metal mowing tools, Ø 305 mm for FS 460 K
      • Guard for metal mowing tools, Ø 350 mm for FS 561 C-EM

      Versions Price
      260 mm for FSA 90 £29.00* Save and compare
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    • Guard for line mowing heads and PolyCut

      Guard for working with mowing heads. Provides protection against flying debris but still enables a clear view of the area to be mown.


      Guard for mowing line head, Ø 420 mm for FS 55, FS 56, FS 70

      Guard for mowing line head, Ø 480 mm for FS 360 C-EM, FS 410 C-EM, FS 460 C-EM, FS 490 C-EM, FS 560

      Guard for mowing line head, Ø 380 mm for FSA 90

      Guard for mowing line head, Ø 420 mm for FS 91, FS 111, FS 131, FS 240, FSA 130, FSA 135, FR 460, FS-KM, FS 94

      Guard for mowing line head, Ø 520 mm for FS FS 361 C-EM, FS 411 C-EM, FS 461 C-EM, FS 491 C-EM

      Guard for mowing line head, Ø 560 mm for FS 561

      Versions Price
      380 mm for FSA 90 £28.00* Save and compare
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  • Documents
    ↓

    Owners manuals

* Manufacturer's recommended retail price updated as of January 2022. 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.