HUSQVARNA 550 XP® Mark II Chain Saw - 50.1 CC

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The second generation of Husqvarna’s 550 XP® chainsaw is ready for demanding use in your felling, limbing and bucking operations. The saw delivers maximum power in the 50cc class. Designed for professional forestry and tree care crews, this durable saw has improved power and a slimmed-down design.

Engine
Chain speed at max power	64.3 fts
Cylinder displacement	50.1 cm³
Output shaft power¹	4 hp
Torque, max.	3.15 Nm
Torque, max. at rpm	7,800 rpm
Clutch engagement speed (±120)	3,900 rpm
Electrode gap	0.02 in
Idling speed	2,800 rpm
Ignition module air gap	0.01 in
Maximum power speed	10,200 rpm
Oil pump type	Adjustable flow, no flow at idle
Spark Plug	NGK CMR6H
Equipment
Recommended bar length, min	13 in
Pitch	.325"
Recommended bar length, max	20 in
Chain type	SP33G
Sprocket type	Rim 7
Gauge	.050"
Dimensions
Weight (excl. cutting equipment)	12.3 lbs
Sound and noise
Sound pressure level at operators ear	107 dB(A)
Sound power level, guaranteed (LWA)	117 dB(A)
Sound power level, measured	115 dB(A)
Vibration
Equivalent vibration level (ahv, eq) rear handle	4.6 m/s²
Equivalent vibration level (ahv, eq) front handle	4 m/s²
Lubricant
Oil tank volume	0.68 US pint
Lubricant type (Engine)	Husqvarna 2 stroke or equiv. at 50:1
Emission
Exhaust emissions (CO₂ EU V)²	813 g/kWh