Husqvarna 550 XP® Mark II Gas Chainsaw

Husqvarna

Best in class cutting capacity.

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. A host of innovative features guarantee comfortable and efficient operation, season after season.

Specifications

Engine	16" SN .325" 1,5 mm S35G SKU: 967 69 08‑16	18" SN .325" 1,5 mm S35G SKU: 967 69 08‑18	20" SN .325" 1,5 mm S35G SKU: 967 69 08‑20	16" SN .325" 1,3 mm SP33G SKU: 967 69 08‑36	18" SN .325" 1,3 mm SP33G SKU: 967 69 08‑38	20" SN .325" 1,3 mm SP33G SKU: 967 69 08‑50
Chain speed at max power	64.3 fts	64.3 fts	64.3 fts	64.3 fts	64.3 fts	64.3 fts
Cylinder displacement	3.06 cu.inch	3.06 cu.inch	3.06 cu.inch	3.06 cu.inch	3.06 cu.inch	3.06 cu.inch
Power output	4 hp	4 hp	4 hp	4 hp	4 hp	4 hp
Torque, max.	3.15 Nm	3.15 Nm	3.15 Nm	3.15 Nm	3.15 Nm	3.15 Nm
Torque, max. at rpm	7,800 rpm	7,800 rpm	7,800 rpm	7,800 rpm	7,800 rpm	7,800 rpm
Clutch engagement speed (±120)	3,900 rpm	3,900 rpm	3,900 rpm	3,900 rpm	3,900 rpm	3,900 rpm
Electrode gap	0.02 in	0.02 in	0.02 in	0.02 in	0.02 in	0.02 in
Idling speed	2,800 rpm	2,800 rpm	2,800 rpm	2,800 rpm	2,800 rpm	2,800 rpm
Ignition module air gap	0.01 in	0.01 in	0.01 in	0.01 in	0.01 in	0.01 in
Maximum power speed	10,200 rpm	10,200 rpm	10,200 rpm	10,200 rpm	10,200 rpm	10,200 rpm
Oil pump type	Adjustable flow, no flow at idle	Adjustable flow, no flow at idle	Adjustable flow, no flow at idle	Adjustable flow, no flow at idle	Adjustable flow, no flow at idle	Adjustable flow, no flow at idle
Spark Plug	NGK CMR6H	NGK CMR6H	NGK CMR6H	NGK CMR6H	NGK CMR6H	NGK CMR6H
Equipment
Recommended bar length, min	13 in	13 in	13 in	13 in	13 in	13 in
Pitch	.325"	.325"	.325"	.325"	.325"	.325"
Recommended bar length, max	20 in	20 in	20 in	20 in	20 in	20 in
Chain type	S35G	S35G	S35G	SP33G	SP33G	SP33G
Bar length	40 cm	45 cm	50 cm	40 cm	45 cm	50 cm
Bar length (inch)	16 in	18 in	20 in	16 in	18 in	20 in
Sprocket type	Rim 7	Rim 7	Rim 7	Rim 7	Rim 7	Rim 7
Gauge	.058"	.058"	.058"			.050"
Dimensions
Weight (excl. cutting equipment)	11.7 lbs	11.7 lbs	11.7 lbs	11.7 lbs	11.7 lbs	11.7 lbs
Sound and noise
Sound pressure level at operators ear	107 dB(A)	107 dB(A)	107 dB(A)	107 dB(A)	107 dB(A)	107 dB(A)
Sound power level, guaranteed (LWA)	117 dB(A)	117 dB(A)	117 dB(A)	117 dB(A)	117 dB(A)	117 dB(A)
Sound power level, measured	115 dB(A)	115 dB(A)	115 dB(A)	115 dB(A)	115 dB(A)	115 dB(A)
Vibration
Equivalent vibration level (ahv, eq) rear handle	4.9 m/s²	4.9 m/s²	4.9 m/s²	4.9 m/s²	4.9 m/s²	4.9 m/s²
Equivalent vibration level (ahv, eq) front handle	4 m/s²	4 m/s²	4 m/s²	4 m/s²	4 m/s²	4 m/s²
Lubricant
Oil tank volume	0.68 US pint	0.68 US pint	0.68 US pint	0.68 US pint	0.68 US pint	0.68 US pint
Lubricant type (Engine)	Husqvarna 2 stroke or equiv. at 50:1	Husqvarna 2 stroke or equiv. at 50:1	Husqvarna 2 stroke or equiv. at 50:1	Husqvarna 2 stroke or equiv. at 50:1	Husqvarna 2 stroke or equiv. at 50:1	Husqvarna 2 stroke or equiv. at 50:1
Emission
Exhaust emissions (CO₂ EU V)	813 g/kWh	813 g/kWh	813 g/kWh	813 g/kWh	813 g/kWh	813 g/kWh

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Engine	16" SN .325" 1,5 mm S35G SKU: 967 69 08‑16	18" SN .325" 1,5 mm S35G SKU: 967 69 08‑18	20" SN .325" 1,5 mm S35G SKU: 967 69 08‑20	16" SN .325" 1,3 mm SP33G SKU: 967 69 08‑36	18" SN .325" 1,3 mm SP33G SKU: 967 69 08‑38	20" SN .325" 1,3 mm SP33G SKU: 967 69 08‑50
Chain speed at max power	64.3 fts	64.3 fts	64.3 fts	64.3 fts	64.3 fts	64.3 fts
Cylinder displacement	3.06 cu.inch	3.06 cu.inch	3.06 cu.inch	3.06 cu.inch	3.06 cu.inch	3.06 cu.inch
Power output	4 hp	4 hp	4 hp	4 hp	4 hp	4 hp
Torque, max.	3.15 Nm	3.15 Nm	3.15 Nm	3.15 Nm	3.15 Nm	3.15 Nm
Torque, max. at rpm	7,800 rpm	7,800 rpm	7,800 rpm	7,800 rpm	7,800 rpm	7,800 rpm
Clutch engagement speed (±120)	3,900 rpm	3,900 rpm	3,900 rpm	3,900 rpm	3,900 rpm	3,900 rpm
Electrode gap	0.02 in	0.02 in	0.02 in	0.02 in	0.02 in	0.02 in
Idling speed	2,800 rpm	2,800 rpm	2,800 rpm	2,800 rpm	2,800 rpm	2,800 rpm
Ignition module air gap	0.01 in	0.01 in	0.01 in	0.01 in	0.01 in	0.01 in
Maximum power speed	10,200 rpm	10,200 rpm	10,200 rpm	10,200 rpm	10,200 rpm	10,200 rpm
Oil pump type	Adjustable flow, no flow at idle	Adjustable flow, no flow at idle	Adjustable flow, no flow at idle	Adjustable flow, no flow at idle	Adjustable flow, no flow at idle	Adjustable flow, no flow at idle
Spark Plug	NGK CMR6H	NGK CMR6H	NGK CMR6H	NGK CMR6H	NGK CMR6H	NGK CMR6H
Equipment
Recommended bar length, min	13 in	13 in	13 in	13 in	13 in	13 in
Pitch	.325"	.325"	.325"	.325"	.325"	.325"
Recommended bar length, max	20 in	20 in	20 in	20 in	20 in	20 in
Chain type	S35G	S35G	S35G	SP33G	SP33G	SP33G
Bar length	40 cm	45 cm	50 cm	40 cm	45 cm	50 cm
Bar length (inch)	16 in	18 in	20 in	16 in	18 in	20 in
Sprocket type	Rim 7	Rim 7	Rim 7	Rim 7	Rim 7	Rim 7
Gauge	.058"	.058"	.058"			.050"
Dimensions
Weight (excl. cutting equipment)	11.7 lbs	11.7 lbs	11.7 lbs	11.7 lbs	11.7 lbs	11.7 lbs
Sound and noise
Sound pressure level at operators ear	107 dB(A)	107 dB(A)	107 dB(A)	107 dB(A)	107 dB(A)	107 dB(A)
Sound power level, guaranteed (LWA)	117 dB(A)	117 dB(A)	117 dB(A)	117 dB(A)	117 dB(A)	117 dB(A)
Sound power level, measured	115 dB(A)	115 dB(A)	115 dB(A)	115 dB(A)	115 dB(A)	115 dB(A)
Vibration
Equivalent vibration level (ahv, eq) rear handle	4.9 m/s²	4.9 m/s²	4.9 m/s²	4.9 m/s²	4.9 m/s²	4.9 m/s²
Equivalent vibration level (ahv, eq) front handle	4 m/s²	4 m/s²	4 m/s²	4 m/s²	4 m/s²	4 m/s²
Lubricant
Oil tank volume	0.68 US pint	0.68 US pint	0.68 US pint	0.68 US pint	0.68 US pint	0.68 US pint
Lubricant type (Engine)	Husqvarna 2 stroke or equiv. at 50:1	Husqvarna 2 stroke or equiv. at 50:1	Husqvarna 2 stroke or equiv. at 50:1	Husqvarna 2 stroke or equiv. at 50:1	Husqvarna 2 stroke or equiv. at 50:1	Husqvarna 2 stroke or equiv. at 50:1
Emission
Exhaust emissions (CO₂ EU V)	813 g/kWh	813 g/kWh	813 g/kWh	813 g/kWh	813