Petrol Blowers

BR 420

High-performance blower for removing grass and hedge cuttings, leaves and debris from large areas. STIHL anti-vibration system, wide shoulder straps, STIHL ElastoStart, locking throttle lever, carry handle.

Technical Details

Technical specifications

Value

Displacement

56,5 cm³

Weight 1)

9,1 kg

Sound pressure level 2)

101 dB(A)

Sound power level 2)

109 dB(A)

Vibration level, right 3)

1,3 m/s²

Blowing force 4)

19 N

Air speed with round nozzle

80 m/s

Air throughput 5)

790 m³/h

Max. air speed

95 m/s

Max. air throughput 6)

1.260 m³/h

  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. Combination of air speed and air throughput
  5. With round nozzle in blower mode
  6. Without blower attachment/nozzle

Equipment and Function

STIHL ElastoStart

STIHL ElastoStart reduces the shock caused by the compression of the engine during starting. The compression shock is taken away from the user’s joints and muscles through a spring or rubber element in the starter handle.

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.

Carrying system

Backpack blowers are equipped with a practical carrying system. Weight is evenly distributed across the shoulders and back to ensure maximum user comfort.

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