Husqvarna 445 18″ Chainsaw


New powerful all-round saw for people who value professional qualities in a saw. The X-Torq® engine means lower fuel consumption and reduced emission levels. Auto return stop switch and visible fuel level makes the saw easier to handle. Equipped with Smart Start® and fuel pump to ensure easy starts every time.

SKU: 445 18" Categories: , ,


Key Features

  • Air Injection: Centrifugal air cleaning system removes larger dust and debris particles before reaching the air filter. This results in reduced air filter cleanings and improved engine life.
  • X-Torq®: Delivers lower fuel consumption and reduced exhaust emission levels in accordance with the world´s most stringent environmental regulations.
  • Easy to start: Combined start/stop switch and fuel pump make the saw very easy to start.
  • Quick-release air filter: Facilitates cleaning and replacement of the air filter.


  • Cylinder displacement: 45.7 cm³
  • Cylinder displacement: 2.8 cu.inch
  • Power output: 2.8 hp
  • Maximum power speed: 9000 rpm
  • Fuel tank volume: 0.95 US pint
  • Spark plug: Champion RCJ7Y, NGK BPMR7A
  • Idling speed: 2700 rpm
  • Electrode gap: 0.02 in
  • Torque, max.: 2.4 Nm
  • Fuel consumption: 481 g/kWh


  • Recommended bar length, max: 20 in
  • Recommended bar length, min: 13 in
  • Chain pitch: .325″
  • Chain speed at max power: 56.89 fts
  • Chain speed at 133% of maximum engine power speed: 75.46 fts


  • Weight (excl. cutting equipment): 10.8 lbs


  • Oil tank volume: 0.55 US pint
  • Oil pump type: Fixed flow
  • Oil pump capacity Max: 13 ml/min
  • Oil pump capacity Min: 13 ml/min

Overall dimensions

  • Weight (excl. cutting equipment): 10.8 lbs

Sound and Noise

  • Sound power level, measured: 112 dB(A)
  • Sound power level, guaranteed (LWA): 114 dB(A)
  • Sound pressure level at operators ear: 103 dB(A)


  • Equivalent vibration level (ahv, eq) front handle: 3.1 m/s²
  • Equivalent vibration level (ahv, eq) rear handle: 4.9 m/s²