As a landowner you have many demands on a chainsaw. Husqvarna 445 is a petrol chainsaw designed to handle all cutting jobs on your property. The fuel efficient 45cc X-Torq® engine provides massive power, leaving only a minimum of emissions. The low weight and slim body reduce your strain, while the fuel pump, auto-return stop switch, and flip-up tank caps ensure easy, reliable starts and smooth handling. Also available in “e” version with Smart Start® and tool-less chain tensioner.
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Centrifugal air cleaning system expels larger dust and debris particles before they reach the air filter to help improve engine life
Centrifugal air cleaning system for reduced wear and longer operating time between filter cleaning.
Great power and efficiency
Delivers lower fuel consumption and reduced exhaust emission levels in accordance with the world’s most stringent environmental regulations.
The flip-up fuel cap is easy to open and close when refueling, even if you are wearing thick gloves.
The flip-up fuel cap is easy to open and close when refueling, even if you are wearing thick gloves.
Combined start/stop switch and fuel pump make the saw very easy to start.
Combined start/stop switch and fuel pump make the saw very easy to start.
Easily remove and replace the filter after cleaning
Easily remove and replace the filter after cleaning
Dedicated marks for increased felling precision
Dedicated marks for increased felling precision
Specially-designed engine and starter for easy and fast starting with minimum effort
Specially-designed engine and starter for easy and fast starting with minimum effort. Resistance in the starter cord is reduced by up to 40%.
Provides easier starting and reduces the risk of engine flooding
Combined choke/stop control allows for easier starting and reduces the risk of engine flooding.
Saves time when changing spark plugs and cleaning
Saves time when changing spark plugs and cleaning
Forged three-piece crankshaft delivers maximum durability for even the toughest of jobs
Forged three-piece crankshaft delivers maximum durability for even the toughest of jobs
Effective LowVib® dampeners absorb vibration, sparing the user’s arms and hands.
Effective LowVib® dampeners absorb vibration, sparing the user’s arms and hands.
Effective inertia-activated chain brake reduces the likelihood of injury due to kickback.
In case of a kickback, the effective inertia-activated chain brake immediately stops the chain to reduce the likelihood of injury.
Transparent fuel indicator makes it easy to check fuel level
Transparent fuel indicator makes it easy to check fuel level
Equipment | |
Bar length (inch) | 18 in |
Chain speed at 133% of maximum engine power speed | 23 m/s |
Chain speed at max power | 17.3 m/s |
Pitch | .325″ |
Recommended bar length, max | 50 cm |
Recommended bar length, max | 20 in |
Recommended bar length, min | 33 cm |
Recommended bar length, min | 13 in |
Engine | |
Cylinder bore | 42 mm |
Cylinder displacement | 45.7 cm³ |
Cylinder stroke | 33 mm |
Fuel consumption | 0.98 kg/h |
Fuel consumption | 481 g/kWh |
Fuel tank volume | 0.45 l |
Idling speed | 2700 rpm |
Ignition module air gap | 0.3 mm |
Maximum power speed | 9000 rpm |
Power output | 2.1 kW |
Power source | Petrol |
Spark Plug | Champion RCJ7Y, NGK BPMR7A |
Torque, max. | 2.4 Nm |
Vibration | |
Equivalent vibration level (ahv, eq) front handle | 3.1 m/s² |
Equivalent vibration level (ahv, eq) rear handle | 4.9 m/s² |
Lubricant | |
Oil pump type | Fixed flow |
Oil tank volume | 0.26 l |
Sound and Noise | |
Sound power level, guaranteed (LWA) | 114 dB(A) |
Sound power level, measured | 112 dB(A) |
Sound pressure level at operators ear | 103 dB(A) |
Dimensions | |
Weight (excl. cutting equipment) | 5.1 kg |