STIHL BR550

749

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.

Description

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