BR 550 - Mid-range 4-MIX backpack blower

Professional backpack blower for cleaning large areas. Excellent anti-vibration system and ergonomic carrying frame. Innovative 4-MIX engine for a more pleasant sound, low fuel consumption and low emissions.

Technical data
Displacement 64.8 cm³
Max. Air throughput 1) 900 m³/h
Weight 2) 9.9 kg
Fuel capacity 1.4 l
Vibration levels left/right 3) 1.6 m/s²
Sound power level 4) 105.0 dB(A)
Sound pressure level 4) 94.0 dB(A)
Max. Air throughput 5) 1490 m³/h
1) (with blower tube)
2) (with blower tube, without fuel)
3) (K) factor according to Dir. 2006/42/EC = 2m/s²
4) Power factor according to DIR2006/42/EC=2.5(dB(A))
5) (without blower tube)

Standard features

STIHL 4-MIX engine:

You can always rely on STIHL to keep setting new benchmarks this time with 4-stroke mixed lubrication technology. The STIHL 4-MIX engine, which runs on a fuel-oil mix just like a 2-stroke, offers the benefits without the compromises of 4-stroke power. STIHL 4-MIX engine technology provides fast acceleration, more power, added torque, lower noise, reduced emissions and increased fuel efficiency to complete jobs quickly, quietly and more easily.
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Standard features

Anti-vibration system:

Intense vibration at the handles of power tools can lead to longer-term effects of blood vessels in the hands and arms. STIHL have therefore developed an effective anti-vibration system where by the oscillations from the machines engine are dampened which significantly reduces vibrations at the handles.
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Standard features

Multi-function control handle:

This houses all the engine controls. Easy, comfortable thumb-operated control means the operator's hand never leaves the handle.
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Standard features

Ergonomic harness:

The ergonomic carrying system offers pleasant carrying comfort with height adjustment and corner adjustment. The hip belt also helps working, especially with longer periods of application. ;
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Standard features

Decompression system:

The decompression valve allows some of the compression pressure in the cylinder to escape, so less force on the starter rope is needed.
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Standard features

Tool free filler cap:

Patented special filler caps for fuel and oil. These filler caps can be opened and closed again, quickly and easily without tools.
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Models available
BR 550 £ 546.38 * Add to product list

* Manufacturer's recommended retail price updated as of February 2010. The manufacturer's recommended retail prices are subject to change without notice.

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Standard features

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