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Husqvarna HUSQVARNA 550 XP® TrioBrake

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Features

X-Torq®
Delivers lower fuel consumption and reduced exhaust emission levels in accordance with the world´s most stringent environmental regulations.

AutoTune
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.

RevBoost™
Rapid acceleration and higher chain speed for best limbing performance.

Flip-up tank cap
The flip-up tank cap is easy to open and close when refueling.

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.

LowVib®
System designed to reduce vibration levels to the operator, which lessens fatigue.

TrioBrake™
TrioBrake™ allows the chain brake to be activated either automatically by the inertia release mechanism or mechanically by your left or right hand.

Adjustable oil pump
Allows you to control oil flow depending on application and weather conditions.

Quick-release air filter
Facilitates cleaning and replacement of the air filter.

Combined choke/stop control
Allows for easier starting and reduces the risk of engine flooding.

Magnesium crankcase
Sturdily built crankcase withstands high rpms and tough professional use, ensuring a long service life.

Three-piece crankshaft
Forged three-piece crankshaft for maximum durability for the toughest applications.

Side-mounted chain tensioner
Easier access to chain tensioning device.

Snap-lock cylinder cover
Saves time when changing spark plugs and cleaning.

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

Slimmed-down design
Low, slender saw body makes the chainsaw easy and convenient to handle in any situation.

Felling marks
Distinct, colored marks used for aiming the direction of timber fall.

Visible fuel level
Transparent fuel indicator makes it easy to check fuel level.

Inertia activated chain brake
Reduces the likelihood of injury due to kickback.

Air Purge
Removes air from carburetor and fuel system for easy starting.

Retained bar nuts
The retaining function prevents loosing the bar nuts.

Specifications

Engine  
Cylinder displacement 50.1 cm³
Cylinder displacement 3.06 cu.inch
Power output 3.75 hp
Maximum power speed 10200 rpm
Fuel tank volume 1.1 US pint
Fuel consumption 446 g/kWh
Idling speed 2800 rpm
Spark plug NGK CMR6H
Electrode gap 0.02 in
Torque, max. 2.8 Nm
Dimensions  
Weight (excl. cutting equipment) 11.02 lbs
Overall dimensions  
Weight (excl. cutting equipment) 11.02 lbs
Vibration  
Equivalent vibration level (ahv, eq) front handle 3.8 m/s²
Equivalent vibration level (ahv, eq) rear handle 3.7 m/s²
Equipment  
Recommended bar length, max 20 in
Recommended bar length, min 13 in
Chain speed at max power 64.3 fts
Lubricant  
Oil tank volume 0.57 US pint
Oil pump type Adjustable flow, no flow at idle
Oil pump capacity Max 12 ml/min
Oil pump capacity Min 5 ml/min
Sound and Noise  
Sound power level, guaranteed (LWA) 116 dB(A)
Sound power level, measured 114 dB(A)
Sound pressure level at operators ear 106 dB(A)

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