FR 450
Extremely powerful 2.1kW-Backpack brushcutter
General
Excellent for mowing sloping ground and difficult terrain. STIHL anti-vibration system, STIHL ElastoStart, multi-function handle, loop handle, very high output and low weight.
Versions
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FR 450
Deviations from the product range and information provided here are possible, depending on the country. STIHL reserves the right to make changes to technical specifications and equipment.
Technical specifications

Technical specifications
Technical specifications | Value |
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Power output | 2,1/2,9 kW/bhp |
Displacement | 44,3 cm³ |
Weight 1) | 10,8 kg |
Sound power level with metal tool 2) | 111 dB(A) |
Sound pressure level with plastic tool 2) | 95 dB(A) |
Sound pressure level with metal tool 2) | 91 dB(A) |
Sound power level 2) | 114 dB(A) |
Vibration level, left with plastic tool 3) | 2,6 m/s² |
Vibration level, right with plastic tool 3) | 2,3 m/s² |
Vibration level, left/right with metal tool 3) | 1,8/1,6 m/s² |
Total length 4) | 28 m |
Standard cutting tool | Grass cutting blade 230-4 |
Cutting diameter | 420 mm |
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
Deviations from the product range and information provided here are possible, depending on the country. STIHL reserves the right to make changes to technical specifications and equipment.
Features

Standard equipment
Deviations from the product range and information provided here are possible, depending on the country. STIHL reserves the right to make changes to technical specifications and equipment.
Cutting Tools

Cutting Tools
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SuperCut mowing head (2 line)
Double line, for mowing and thinning work. Mowing lines are automatically adjusted for optimal cutting length.
Versions
- Mowing line SuperCut 20-2
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GrassCut Grass cutting blade (4 blades)
Made of steel. With four cutters for mowing thick, dry grass and reeds
Versions
- Grass cutting blade 230 mm (4 blade)
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GrassCut Grass cutting blade (8 teeth)
Made of steel with 8 teeth for mowing thick, dry grass and reeds.
Versions
- Grass cutting blade 230 mm (8 teeth)
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BrushCut Brush knife
Brush blade made of special steel. Ideal for thinning and clearing tough, matted grass and scrub. Also the pruning of thorn hedges. For use with universal protection.
Versions
- 250 mm (3 blade)
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Deviations from the product range and information provided here are possible, depending on the country. STIHL reserves the right to make changes to technical specifications and equipment.
Documents
Owners manuals and safety brochures
Languages | Date | Link |
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14.05.2013 |