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FS 91 Petrol Brushcutter
SKU: Stihl | FS-4180 200 0684
- Regular price
- £491.58 Ex VAT
- £589.90 Inc VAT
- RRP: £578.33 Ex VAT
- Sale price
- £491.58 £491.58 Ex VAT
- Regular price
-
- £589.90 £589.90 Inc VAT
- Was £578.33 Ex VAT
Free Delivery Over £75 *
Worldwide Shipping from the UK
Trusted UK Arborist Retailer
30-Day Easy Returns
STIHL Approved Dealer
As a STIHL Approved Dealer, we supply genuine UK-spec machines with full manufacturer warranty, professional preparation, and expert aftersales support.
Product information & specifications
STIHL FS 91 Petrol Brushcutter
Designed for UK landscaping professionals, arborists, forestry crews and serious domestic users who need reliable clearing power and ease of use on thicker vegetation. The STIHL FS 91 petrol brushcutter combines a powerful yet lightweight engine with rugged build quality and ergonomic design, making it ideal for tackling tough grass, brambles, weeds, light scrub and undergrowth — whether in gardens, woodland edges or forestry access tracks.
Key Features & Benefits
- Efficient 2-stroke petrol engine with STIHL anti-vibration system: Provides strong cutting power while minimising operator fatigue for extended use.
- Compact and ergonomic design: Easy to handle in tight spaces, around trees or along fences and boundaries without straining the user.
- Versatile cutting options: Works with a grass-trimmer head or metal cutting blade (depending on clearing needs), ideal for brush, brambles, weeds or thicker vegetation.
- Durable build for tough terrain: Engineered to withstand regular use in demanding environments — perfect for forestry edges, estate maintenance or farm tracks.
- Suitable for professional and domestic use: From estate maintenance to garden trimming, offers a balance of power, reliability and ease-of-use.
Technical Specifications
| Specification | Detail |
|---|---|
| Engine Type | 2-stroke petrol engine |
| Power Output / Displacement | Strong clearing power for grass & undergrowth |
| Handle & Support | Bike-handle with shoulder harness for comfort and control |
| Cutting Tools Compatibility | Grass-trimmer head or metal blade (for thicker scrub / brush) depending on model / attachments |
| Use Cases | Grass cutting, bramble & weed clearance, light scrub, hedgerow base trimming, woodland edge maintenance, estate/garden groundskeeping |
| Suitability | Professional landscaping & forestry, serious domestic ground maintenance |
Why Choose the FS 91?
The STIHL FS 91 offers dependable, consistent clearing power for a wide range of vegetation and terrain types — from gardens to woodland edges. Its blend of engine performance, operator comfort and rugged build make it a versatile tool: lightweight enough for regular estate or garden work, capable enough to handle tougher brush and undergrowth for forestry access tracks and site maintenance. For contractors, estate managers or even domestic users needing heavy-duty trimming, the FS 91 balances power and practicality.
Equip yourself for reliable clearing — order the STIHL FS 91 Petrol Brushcutter today and get going on your next job.
Trimmer Technical Data
| Starter Cord | Auto decompression / manual fuel pump (purger) / standard starter grip |
|---|---|
| Standard Cutting Tool | AutoCut C 26-2 & GrassCut 230-2 |
| Tank Cap | STV screw tank cap |
| EPA Certified Fuel Consumption l/h | 0.614 |
| Anti Vibration System | Yes |
| Tank Volume | 0.71l |
| Cutting Diameter | 420 |
| Total Length | 180 |
| Vibration Value, Right With Plastic Tool m/s2 | 5.5 |
| Sound Power Level dB(A) | 107 |
| Sound Pressure Level with Plastic Tool dB(A) | 96 |
| Weight | 5.8 |
| Displacement cm3 | 28.4 |
| Performance | 0.95 kW |
| Power Output hp | 1.3 |
| CO² g/kWh | 877 |
STIHL FS 91 Petrol Brushcutter
Designed for UK landscaping professionals, arborists, forestry crews and serious domestic users who need reliable clearing power and ease of use on thicker vegetation. The STIHL FS 91 petrol brushcutter combines a powerful yet lightweight engine with rugged build quality and ergonomic design, making it ideal for tackling tough grass, brambles, weeds, light scrub and undergrowth — whether in gardens, woodland edges or forestry access tracks.
Key Features & Benefits
- Efficient 2-stroke petrol engine with STIHL anti-vibration system: Provides strong cutting power while minimising operator fatigue for extended use.
- Compact and ergonomic design: Easy to handle in tight spaces, around trees or along fences and boundaries without straining the user.
- Versatile cutting options: Works with a grass-trimmer head or metal cutting blade (depending on clearing needs), ideal for brush, brambles, weeds or thicker vegetation.
- Durable build for tough terrain: Engineered to withstand regular use in demanding environments — perfect for forestry edges, estate maintenance or farm tracks.
- Suitable for professional and domestic use: From estate maintenance to garden trimming, offers a balance of power, reliability and ease-of-use.
Technical Specifications
| Specification | Detail |
|---|---|
| Engine Type | 2-stroke petrol engine |
| Power Output / Displacement | Strong clearing power for grass & undergrowth |
| Handle & Support | Bike-handle with shoulder harness for comfort and control |
| Cutting Tools Compatibility | Grass-trimmer head or metal blade (for thicker scrub / brush) depending on model / attachments |
| Use Cases | Grass cutting, bramble & weed clearance, light scrub, hedgerow base trimming, woodland edge maintenance, estate/garden groundskeeping |
| Suitability | Professional landscaping & forestry, serious domestic ground maintenance |
Why Choose the FS 91?
The STIHL FS 91 offers dependable, consistent clearing power for a wide range of vegetation and terrain types — from gardens to woodland edges. Its blend of engine performance, operator comfort and rugged build make it a versatile tool: lightweight enough for regular estate or garden work, capable enough to handle tougher brush and undergrowth for forestry access tracks and site maintenance. For contractors, estate managers or even domestic users needing heavy-duty trimming, the FS 91 balances power and practicality.
Equip yourself for reliable clearing — order the STIHL FS 91 Petrol Brushcutter today and get going on your next job.
Trimmer Technical Data
| Starter Cord | Auto decompression / manual fuel pump (purger) / standard starter grip |
|---|---|
| Standard Cutting Tool | AutoCut C 26-2 & GrassCut 230-2 |
| Tank Cap | STV screw tank cap |
| EPA Certified Fuel Consumption l/h | 0.614 |
| Anti Vibration System | Yes |
| Tank Volume | 0.71l |
| Cutting Diameter | 420 |
| Total Length | 180 |
| Vibration Value, Right With Plastic Tool m/s2 | 5.5 |
| Sound Power Level dB(A) | 107 |
| Sound Pressure Level with Plastic Tool dB(A) | 96 |
| Weight | 5.8 |
| Displacement cm3 | 28.4 |
| Performance | 0.95 kW |
| Power Output hp | 1.3 |
| CO² g/kWh | 877 |
STIHL Warranty
STIHL offer a 1 year professional warranty or 2 year domestic warranty with all of their machines.
The following exceptions apply:
- AK System, AS System and AI Line cordless products aren't covered under warranty when used by professionals
- AP System machines, batteries and chargers - 2 year professional warranty
- Pressure washers - 2 year professional warranty or 3 year domestic warranty
- Mowers, tillers, shredders, scarifiers & iMOW machines - See STIHL's website here
Extend your Stihl warranty by an additional year when purchasing a STIHL Smart Connector with selected machinery from the petrol and cordless range. Extends your petrol warranty from 1 to 2 years AND 2 to 3 years on select cordless tools.
STIHL offer a 1 year professional warranty or 2 year domestic warranty with all of their machines.
The following exceptions apply:
- AK System, AS System and AI Line cordless products aren't covered under warranty when used by professionals
- AP System machines, batteries and chargers - 2 year professional warranty
- Pressure washers - 2 year professional warranty or 3 year domestic warranty
- Mowers, tillers, shredders, scarifiers & iMOW machines - See STIHL's website here
Extend your Stihl warranty by an additional year when purchasing a STIHL Smart Connector with selected machinery from the petrol and cordless range. Extends your petrol warranty from 1 to 2 years AND 2 to 3 years on select cordless tools.
Delivery & Returns
UK Delivery
Fast, reliable delivery from our UK warehouse.
- Free UK delivery on eligible orders over £75 +VAT. Long, heavy or oversized items may incur an additional delivery charge, shown at checkout.
- UK Standard Delivery from £3.60 + VAT
Estimated delivery: 2–4 working days - Next Working Day Delivery – £6.00 + VAT
Order before 3:00pm (Monday–Friday) for next working day delivery
All UK orders are dispatched Monday–Friday and sent via a tracked courier service.
International Delivery
We ship worldwide from the UK.
- Europe from £10.00
Estimated delivery: 2–7 working days - Rest of the World from £12.00
Estimated delivery: 2–11 working days
Shipping costs and delivery times are calculated at checkout based on destination and order contents.
Customs, Duties & Taxes
International orders may be subject to local import duties, taxes, or customs charges.
When UPS is selected at checkout, applicable duties and taxes are included in the total price. For other shipping services, duties and taxes may be charged separately on delivery and are the responsibility of the recipient.
Customs processing times may affect delivery estimates.
Returns
30-Day Return Policy
- Items can be returned within 30 days of delivery
- Products must be unused and in original condition
- Return postage costs apply unless the item is faulty or incorrect
For full details, please visit our Shipping & Returns page.
UK Delivery
Fast, reliable delivery from our UK warehouse.
- Free UK delivery on eligible orders over £75 +VAT. Long, heavy or oversized items may incur an additional delivery charge, shown at checkout.
- UK Standard Delivery from £3.60 + VAT
Estimated delivery: 2–4 working days - Next Working Day Delivery – £6.00 + VAT
Order before 3:00pm (Monday–Friday) for next working day delivery
All UK orders are dispatched Monday–Friday and sent via a tracked courier service.
International Delivery
We ship worldwide from the UK.
- Europe from £10.00
Estimated delivery: 2–7 working days - Rest of the World from £12.00
Estimated delivery: 2–11 working days
Shipping costs and delivery times are calculated at checkout based on destination and order contents.
Customs, Duties & Taxes
International orders may be subject to local import duties, taxes, or customs charges.
When UPS is selected at checkout, applicable duties and taxes are included in the total price. For other shipping services, duties and taxes may be charged separately on delivery and are the responsibility of the recipient.
Customs processing times may affect delivery estimates.
Returns
30-Day Return Policy
- Items can be returned within 30 days of delivery
- Products must be unused and in original condition
- Return postage costs apply unless the item is faulty or incorrect
For full details, please visit our Shipping & Returns page.
