Husqvarna 550 XP® is developed for tree care professionals and skilled land owners. The saw has a ground breaking design and is loaded with innovative solutions for efficient, convenient 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.
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Cylinder displacement 50.1 cc
Cylinder bore 1.69 inch
Cylinder stroke 1.36 inch
Power output 3.75 hp
Maximum power speed 10200 rpm
Fuel tank volume 17.58 fl oz
Maximum recommended engine speed 14000 rpm
Fuel consumption 446 g/kWh
Idling speed 2800 rpm
Spark plug NGK CMR6H
Electrode gap 0.02 "
Ignition system SEM-DM61
Ignition module air gap 0.01 "
Torque, max. 2.8 Nm/6900 rpm
Air filter type Nylon 44µ
Oil tank volume 0.57 US pint
Oil pump type Automatic
Oil pump capacity 5-12 ml/min
Vibration & noise data
Equivalent vibration level (ahv , eq) front / rear handle 3.8/3.7 m/s²
Sound pressure level at operators ear 106 dB(A)
Sound power level, guaranteed (LWA) 116 dB(A)
Chain speed at max power 64.3 fts
Chain speed at 133% of maximum engine power speed 85.63 fts
Recommended bar length, min-max 13"-20"
Chain gauge 0.05 "
Bar mount Small
Weight (excl. cutting equipment) 10.8 lbs
Inertia activated chain brake
Reduces the likelihood of injury due to kickback.
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.
Delivers lower fuel consumption and reduced exhaust emission levels in accordance with the world´s most stringent environmental regulations.
Combined choke/stop control
Allows for easier starting and reduces the risk of engine flooding.
System designed to reduce vibration levels to the operator, which lessens fatigue.
The engine and starter have been designed so the machine starts quickly with minimum effort.
Removes air from carburetor and fuel system for easy starting.
Quick-release air filter
Facilitates cleaning and replacement of the air filter.
Snap-lock cylinder cover
Saves time when changing spark plugs and cleaning.
Forged three-piece crankshaft for maximum durability for the toughest applications.
Visible fuel level
Transparent fuel indicator makes it easy to check fuel level.
Side-mounted chain tensioner
Easier access to chain tensioning device.
Adjustable oil pump
Allows you to control oil flow depending on application and weather conditions.
Sturdily built crankcase withstands high rpms and tough professional use, ensuring a long service life.
Distinct, colored marks used for aiming the direction of timber fall.
Quick release air filter cover
Quick release cover saves time when cleaning or changing spark plug or filter.
AutoTune gives optimal engine performance throughout automatic engine setting. No time spent on carburetor adjustments. It compensates for different fuels, altitude, humidity, temperature and clogged air filter.
Rapid acceleration and higher chain speed for best limbing performance.
Low, slender saw body makes the chainsaw easy and convenient to handle in any situation.
Retained bar nuts
The retaining function prevents loosing the bar nuts.
Flip-up tank cap
The flip-up tank cap is easy to open and close when refueling.