Cathcart Power Equipment Authorized Servicing STIHL Dealer
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BR 550

Mid-range professional 4-MIX® backpack blower

Professional backpack blower for cleaning large areas. Excellent blowing power and greater fuel efficiency, thanks to our low-emission engine. Excellent anti-vibration system and ergonomic carrying frame. Innovative 4-MIX® engine for a more pleasant sound, low fuel consumption and low emissions.

Version Price
BR 550
£569.00 (incl. VAT)

Displacement cm³ 64.8
Displacement cu-in 3.95
Power output PS 3.4
Power output kW 2.5
Weight kg 1) 9.9
Weight Pounds 1) 21.8
Sound pressure level dB(A) 2) 98
Sound power level with metal tool dB(A) 2) 108
Sound power level dB(A) 2) 108
Vibration level, right m/s² 3) 1.6
Max. air throughput m³/h 4) 1490
Air throughput with round nozzle cf/min 547
Air throughput m³/h 5) 930
Air speed mph 5) 199
Air velocity m/s 6) 89
Maximum air throughput cf/min 7) 877
Speed at maximum power Um 7200
Tank volume l 1.40
Fuel tank capacity oz 47.3
Performance Um 3.4
  • 1) Weight excluding fuel, fully assembled
  • 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 blower attachment/nozzle
  • 5) With round nozzle in blower mode
  • 6) With round nozzle in the blowing operation
  • 7) Without blowing tube and nozzle

Standard

  • 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.
  • 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.
  • Anti-vibration system
    Intense vibration at the handles of power tools can lead to long-term effects on blood vessels in the hands and arms. STIHL has therefore developed an effective anti-vibration system whereby the oscillations from the machine's engine are dampened which significantly reduces vibrations at the handles.
  • Multi-function control handle
    Easy, comfortable thumb-operated control means the operator's hand never leaves the handle.
  • Ergonomic harness
    Evenly distributes the weight between the user's shoulders, back, hips and upper thighs. With soft padding for increased comfort during prolonged use and when working on large areas.
  • Distributes recoil from the blower onto both arms. Especially useful with curved nozzles, for BR 350, BR 430, BR 450, BR 500, BR 600 and BR 700.
    £102.80  Product Details (incl. VAT)
These products can be reserved online with no obligation and picked up at our store. Here we offer you personal advice and professional service. Since your safety is of particular importance for us, we provide you with extensive personal instruction for a safe handling.