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Husqvarna 545 Chainsaw

Husqvarna 545 is developed for demanding work by contractors and land owners. The saw has a ground breaking design and is loaded with raw power for efficient operation. Our unique X-Torq® engine technology provide more power where you need it, up to 20% less fuel consumption and 75% less exhaust emission.





Spec Value
Cylinder displacement 50.1 cm³
Power output 3.35 hp
Maximum power speed 9,600 rpm
Fuel tank volume 1.1 US pint
Fuel consumption 424 g/kWh
Idling speed 2,800 rpm
Spark plug NGK CMR6H
Electrode gap 0.02 in
Torque, max. 2.69 Nm
Spec Value
Recommended bar length, max 20 in
Recommended bar length, min 13 in
Chain pitch .325″
Chain gauge 0.05 in
Chain speed at 133% of maximum engine power speed 80.71 fts
Spec Value
Oil tank volume 0.57 US pint
Oil pump type Automatic
Oil pump capacity Max 12 ml/min
Oil pump capacity Min 5 ml/min
Spec Value
Weight (excl. cutting equipment) 10.8 lbs
Bar Length Options 12 in. - 20 in.
Spec Value
Sound power level, guaranteed (LWA) 116 dB(A)
Sound power level, measured 114 dB(A)
Sound pressure level at operators ear 106 dB(A)
Spec Value
Equivalent vibration level (ahv, eq) front handle 3.8 m/s²
Equivalent vibration level (ahv, eq) rear handle 3.7 m/s²


Key Features

  • X-Torq®: Delivers lower fuel consumption and reduced exhaust emission levels in accordance with the world´s most stringent environmental regulations.
  • Flip-up tank cap: The flip-up tank cap is easy to open and close when refueling.
  • AutoTune: AutoTune gives optimal engine performance throughout automatic engine setting.No time spent on carburetor adjustments. It compensates fordifferent fuels, altitude, humidity, temperature and clogged air filter.
  • 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.
  • NOTES: 18″, .325 pitch, .050 ga., 50.1cc chainsaw – 966 64 85-85

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