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HUSQVARNA 545 Mark II

Name: HUSQVARNA 545 Mark II
Brand: Husqvarna

Bar length (inch)

20 in

Cylinder displacement

3.06 cu.inch

Product variant

Bar length (inch)

Chain type

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 Art no: 967 69 06‑02
Engine	545 Mark II Art no: 967 69 06‑02	545 Mark II Art no: 967 69 06‑16	545 Mark II Art no: 967 69 06‑18	545 Mark II Art no: 967 69 06‑28	545 Mark II Art no: 967 69 06‑36	545 Mark II Art no: 967 69 06‑38	545 Mark II Art no: 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	3.06 cu.inch	3.06 cu.inch	3.06 cu.inch	3.06 cu.inch	3.06 cu.inch	3.06 cu.inch	3.06 cu.inch
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	13 in	13 in	13 in	13 in	13 in	13 in	13 in
Recommended bar length, max	20 in	20 in	20 in	20 in	20 in	20 in	20 in
Chain type		S35G	S35G	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
Oil tank volume	0.32 l	0.32 l	0.32 l	0.32 l	0.32 l	0.32 l	0.32 l
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)
Vibration
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

Offers(5)

Offers
Extended Warranty Program
Offers
One Year Pro Chainsaw Warranty
Offers
7 day money-back guarantee on professional chainsaws
Offers
Fleet Program discount for commercial customers
Offers
Professional tree care companies save up to 20%

Services(3)

For Professionals
Husqvarna Fleet Services™
Connect your equipment to Husqvarna Fleet Services™ for hassle-free tracking and a more productive workday.
For Professionals
Husqvarna Financing Solutions
Find the right financing solutions for your commercial or residential outdoor power equipment needs, including zero turn lawn mowers, chainsaws, string trimmers, leaf blowers, snow blowers, string trimmers, and more.
For Homeowners
Husqvarna Care™
Get the most out of your equipment with Husqvarna Care™.

Manuals & Documents

Operator’s manuals

OM. 545 Mark II, 545G Mark II, 550 XP Mark II, 550 XPG Mark II. 2021-12

Accessories(6)

Chainsaw Helmets
Forest helmet, Technical
Flexi Series
Tool belt flexi carrier kit
Work Wear
Work t-shirt short sleeve, Technical
Work Wear
Work t-shirt long sleeve, Technical
Gloves
Gloves, Technical with saw protection
Size10 / 8 / 9
Gloves
Gloves, Functional with saw protection
Size10 / 12 / 9