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HUSQVARNA 545 Mark II

Name: HUSQVARNA 545 Mark II
Brand: Husqvarna

Bar length (inch)

20 in

Cylinder displacement

50.1 cm³

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Bar length (inch)

Chain type

Where to buy

Best in class cutting capacity.

The second generation of Husqvarna’s 545 chainsaw is a 50cc unit that’s ready for your felling, limbing and bucking of small and midsize trees. 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.

Product information

Features(19)

Excellent cooling capacity for a longer engine life
Optimized cooling system
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AutoTune
Automatic engine setting with AutoTune
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Magnesium crankcase
Magnesium crankcase designed for professional use
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Smart Start®
Smart Start® for easy starting
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Snap-lock cylinder cover
Easy to maintain with snap locked cylinder cover
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Visible fuel level
Fuel level window
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Retained bar nuts
The retaining function prevents loosing the bar nuts.
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Quick-release air filter
Quick-release air filter
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Retained starter screws
Screws are held in place.
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Flip-up tank caps
Flip-up fuel tank caps are easy to open and secure.
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LowVib®
LowVib® sparing the user's arms and hands
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Felling sight to last a lifetime
Perfect sight critical for felling.
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Air Injection®
Less filter cleanings with Air Injection
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Adjustable oil pump
Adjustable chain oil pump
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Easy to start
Easy to start
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Side-mounted chain tensioner
Quick and easy chain adjustment
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Slimmed-down design
Easy and convenient to handle in any situation.
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X-Torq®
X-Torq® engine cuts both emissions and fuel consumption.
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Three-piece crankshaft
Maximum durability for tough applications
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Specifications

545 Mark II SKU: 967 69 06‑02
Engine	545 Mark II SKU: 967 69 06‑02	545 Mark II SKU: 967 69 06‑16	545 Mark II SKU: 967 69 06‑18	545 Mark II SKU: 967 69 06‑28	545 Mark II SKU: 967 69 06‑36	545 Mark II SKU: 967 69 06‑38	545 Mark II SKU: 967 69 06‑40
Power output	3.6 hp	3.6 hp	3.6 hp	3.6 hp	3.6 hp	3.6 hp	3.6 hp
Cylinder displacement	50.1 cm³	50.1 cm³	50.1 cm³	50.1 cm³	50.1 cm³	50.1 cm³	50.1 cm³
Maximum power speed	9,900 rpm	9,900 rpm	9,900 rpm	9,900 rpm	9,900 rpm	9,900 rpm	9,900 rpm
Idling speed	2,800 rpm	2,800 rpm	2,800 rpm	2,800 rpm	2,800 rpm	2,800 rpm	2,800 rpm
Torque, max.	2.95 Nm	2.95 Nm	2.95 Nm	2.95 Nm	2.95 Nm	2.95 Nm	2.95 Nm
Torque, max. at rpm	7,200 rpm	7,200 rpm	7,200 rpm	7,200 rpm	7,200 rpm	7,200 rpm	7,200 rpm
Clutch engagement speed (±120)	3,900 rpm	3,900 rpm	3,900 rpm	3,900 rpm	3,900 rpm	3,900 rpm	3,900 rpm
Fuel consumption	432 g/kWh	432 g/kWh	432 g/kWh	432 g/kWh	432 g/kWh	432 g/kWh	432 g/kWh
Fuel consumption	2.6 lbs/h	2.6 lbs/h	2.6 lbs/h	2.6 lbs/h	2.6 lbs/h	2.6 lbs/h	2.6 lbs/h
Spark plug	NGK CMR6H	NGK CMR6H	NGK CMR6H	NGK CMR6H	NGK CMR6H	NGK CMR6H	NGK CMR6H
Electrode gap	0.02 in	0.02 in	0.02 in	0.02 in	0.02 in	0.02 in	0.02 in
Ignition module air gap	0.01 in	0.01 in	0.01 in	0.01 in	0.01 in	0.01 in	0.01 in
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	Adjustable flow, no flow at idle
Exhaust emissions (CO2 EU V)	844 g/kWh	844 g/kWh	844 g/kWh	844 g/kWh	844 g/kWh	844 g/kWh	844 g/kWh
Equipment
Bar length (inch)	20 in	16 in	18 in	20 in	16 in	18 in	20 in
Recommended bar length, min-max	13-20 in	13-20 in	13-20 in	13-20 in	13-20 in	13-20 in	13-20 in
Chain type		H25	H25	SP33G	SP33G	SP33G	SP33G
Pitch	.325"	.325"	.325"	.325"	.325"	.325"	.325"
Sprocket type	Rim 7	Rim 7	Rim 7	Rim 7	Rim 7	Rim 7	Rim 7
Dimensions
Weight (excl. cutting equipment)	11.7 lbs	11.7 lbs	11.7 lbs	11.7 lbs	11.7 lbs	11.7 lbs	11.7 lbs
Lubricant
Lubricant type		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
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	0.68 US pint
Sound and noise
Sound power level, guaranteed (LWA)	116 dB(A)	116 dB(A)	116 dB(A)	116 dB(A)	116 dB(A)	116 dB(A)	116 dB(A)
Sound power level, measured	114 dB(A)	114 dB(A)	114 dB(A)	114 dB(A)	114 dB(A)	114 dB(A)	114 dB(A)
Sound pressure level at operators ear	106 dB(A)	106 dB(A)	106 dB(A)	106 dB(A)	106 dB(A)	106 dB(A)	106 dB(A)
Vibrations
Equivalent vibration level (ahv, eq) front handle	3.6 m/s²	3.6 m/s²	3.6 m/s²	3.6 m/s²	3.6 m/s²	3.6 m/s²	3.6 m/s²
Equivalent vibration level (ahv, eq) rear handle	4.1 m/s²	4.1 m/s²	4.1 m/s²	4.1 m/s²	4.1 m/s²	4.1 m/s²	4.1 m/s²