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Husqvarna HUSQVARNA 122HD45

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Smart Start®
The engine and starter have been designed so the machine starts quickly with minimum effort.

Auto return stop switch
Stop switch automatically resets to the ON position for easier starting.

Low noise engine
Effective low noise engine design will not disturb you or your neighbors.

Effective anti-vibration dampeners absorb vibration, reducing stress on the user’s arms and hands.

Air Purge

Removes air from carburetor and fuel system for easy starting.


Recommended maximum twig diameter 0.8 in
Cutting speed 4050 cut/min
Knife Length 17.7 in
Sound and Noise 
Sound power level, guaranteed (LWA) 93 dB(A)
Sound power level, guaranteed (LWA) 101 dB(A)
Equivalent vibration level (ahv, eq) front handle 2.9 m/s²
Equivalent vibration level (ahv, eq) rear handle 4.9 m/s²
Cylinder displacement 21.7 см³
Power output 0.8 hp
Maximum power speed 7800 rpm
Fuel tank volume 10.14 fl oz
Fuel consumption 0.73 lbs/h
Idling speed 2800 rpm
Spark plug Husqvarna HQT-4
Electrode gap 0.02 in
Weight (excl. cutting equipment) 10.14 lbs
Gear ratio 4.4
Gear ratio 1