Husqvarna 550XP Mk II Chainsaw 18"

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The Husqvarna 550XP Mk II  18" chainsaw is powerful, durable and easy to manoeuvre, Husqvarna 550XP MKII 50cc chainsaw with excellent performance and cutting capacity. A Husqvarna 550XP MarkII 18" is Suitable for felling, limbing and bucking small and mid-sized trees as well as for challenging tree care. The slimmed-down Husqvarna 550XP Mark II design and host of innovative features make for efficient, reliable and comfortable operation..

Huaqvarna 550xp MK 11 Specification









Air Injection

Centrifugal air cleaning system for reduced wear and longer operating time between filter cleanings.

Retained bar nuts

The retaining function prevents loosing the bar nuts.

Slimmed-down design

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

Snap-lock cylinder cover

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

Visible fuel level

Transparent fuel indicator makes it easy to check fuel level.

Side-mounted chain tensioner

Side-mounted chain tensioner makes chain adjustment quick and easy.


Effective anti-vibration dampeners absorb vibration, sparing the user's arms and hands.

Adjustable oil pump

Adjustable oil pump makes it easy to set the chain lubrication according to your needs.

Magnesium crankcase


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


Deliver lower fuel consumption and reduced exhaust emission levels in accordance with the world´s most stringent environmental regulations.


AutoTune gives optimal engine performance throughout automatic engine setting.
No time spent on carburettor adjustments. It compensates for
different fuels, altitude, humidity, temperature and clogged air filter.

Three-piece crankshaft

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

Excellent cooling capacity for a longer engine life

Our new cooling system is optimised in every detail to give you a reliable chainsaw for any situation.

Retained starter screws

The retaining function prevents loosing the screws holding the starter.

Felling sight to last a lifetime

Perfect sight is critical when felling – so we made one that will outlast the chainsaw itself.

Flip up tank caps

Easy to open and secure firmly, even when wearing thick winter gloves.

Technical Data


Chain type


Product size height

28 cm

Product Size, LxWxH

44x22x28 cm

Product size length

44 cm

Product size width

22 cm

Recommended bar length, min-max

13-20 in

Weight (excl. cutting equipment)

5.3 kg


Cylinder displacement

50.1 cm³

Electrode gap

0.5 mm

Fuel consumption

432 g/kWh

Fuel consumption

1.3 kg/h

Fuel tank volume

0.53 l

Idling speed

2800 rpm

Maximum power speed

10200 rpm

Power output

3.0 kW

Spark plug


Torque, max.

3.15 Nm


Bar mount


Chain speed at 133% of maximum engine power speed

26.1 m/s



Recommended bar length, max

50 cm

Recommended bar length, min

33 cm

Sprocket type

Rim 7


Oil pump type

Adjustable flow, no flow at idle

Oil tank volume

0.32 l

Sound and noise

Sound power level, guaranteed (LWA)

117 dB(A)

Sound power level, measured

115 dB(A)

Sound pressure level at operators ear

107 dB(A)


Equivalent vibration level (ahv, eq) front handle

4.4 m/s²

Equivalent vibration level (ahv, eq) rear handle

4.1 m/s²

Emission Data CARB

Engine Family EPA


Emission Data EPA

Exhaust emissions (CO average)

225.12 g/kWh

Exhaust emissions (CO FEL)

536 g/kWh

Exhaust emissions (CO average)

812 g/kWh

Exhaust emissions (HC average)

56.33 g/kWh

Exhaust emissions (NOx average)

3.92 g/kWh

Emission Data EU

Exhaust emissions (CO average)

227.28 g/kWh

Exhaust emissions (CO average)

813 g/kWh

Exhaust emissions (HC average)

54.16 g/kWh

Exhaust emissions (NOx average)

3.55 g/kWh

 Product Files

Download Husqvarna Manual

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