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. Bar length (inch): 20 in Cylinder displacement: 3.06 cu.inch
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HUSQVARNA 545 Mark II Features & Benefits

Excellent cooling capacity for a longer engine life
Our new cooling system is optimized in every detail to give you a reliable chainsaw for any situation.

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

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

Smart Start® Technology
Specially-designed engine and starter for easy and fast starting with minimum effort

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

Fuel Indicator
Transparent fuel indicator makes it easy to check fuel level

Retained bar nuts
The retaining function prevents loosing the bar nuts.

Quick-release air filter
Facilitates cleaning and replacement of the air filter.

Retained starter screws
The retaining function prevents loosing the screws holding the starter.

Flip up tank caps
Easy to open and secure firmly, even when wearing thick winter gloves.

LowVib® Technology
Dampeners between the engine and chassis significantly reduce vibrations so you can work more comfortably

Felling sight to last a lifetime
Perfect sight is critical when felling – so we made one that will outlast the chainsaw itself.

Air Injection™ Technology
Centrifugal air cleaning system expels larger dust and debris particles before they reach the air filter to help improve engine life

Adjustable Oil Pump
Customize and control oil flow to meet any need

Easy to start
Combined start/stop switch and fuel pump make the saw very easy to start.

Side-mounted chain tensioner
Easier access to chain tensioning device.

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

Powerful and Efficient X-TORQ® Engine
Powerful X-TORQ® engine reduces emissions by up to 60% and increases fuel efficiency by up to 20%

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

HUSQVARNA 545 Mark II Specs & Compare

Engine 545 Mark II 545 Mark II
  SKU: 967 69 06‑02 SKU: 967 69 06‑16
Power output 3.6 hp 3.6 hp
Cylinder displacement 3.06 cu.inch 3.06 cu.inch
Maximum power speed 9,900 rpm 9,900 rpm
Idling speed 2,800 rpm 2,800 rpm
Torque, max. 2.95 Nm 2.95 Nm
Torque, max. at rpm 7,200 rpm 7,200 rpm
Clutch engagement speed (±120) 3,900 rpm 3,900 rpm
Fuel consumption 432 g/kWh 432 g/kWh
Fuel consumption 2.6 lbs/h 2.6 lbs/h
Spark plug NGK CMR6H NGK CMR6H
Electrode gap 0.02 in 0.02 in
Ignition module air gap 0.01 in 0.01 in
Oil pump type Adjustable flow, no flow at idle Adjustable flow, no flow at idle
Emission    
Exhaust emissions (CO2 EU V) 844 g/kWh 844 g/kWh
Equipment    
Bar length (inch) 20 in 16 in
Recommended bar length, min 13 in 13 in
Recommended bar length, max 20 in 20 in
Chain type SP33G S35G
Pitch .325" .325"
Sprocket type Rim 7 Rim 7
Dimensions    
Weight (excl. cutting equipment) 11.7 lbs 11.7 lbs
Lubricant    
Lubricant type (Engine)   Husqvarna 2 stroke or equiv. at 50:1
Oil tank volume 0.68 US pint 0.68 US pint
Oil tank volume 0.32 l 0.32 l
Sound and Noise    
Sound power level, guaranteed (LWA) 116 dB(A) 116 dB(A)
Sound power level, measured 114 dB(A) 114 dB(A)
Sound pressure level at operators ear 106 dB(A) 106 dB(A)
Vibration    
Equivalent vibration level (ahv, eq) front handle 3.6 m/s² 3.6 m/s²
Equivalent vibration level (ahv, eq) rear handle 4.1 m/s² 4.1 m/s²

 

 

Engine 545 Mark II 545 Mark II
  Art no: 967 69 06‑18 Art no: 967 69 06‑28
Power output 3.6 hp 3.6 hp
Cylinder displacement 3.06 cu.inch 3.06 cu.inch
Maximum power speed 9,900 rpm 9,900 rpm
Idling speed 2,800 rpm 2,800 rpm
Torque, max. 2.95 Nm 2.95 Nm
Torque, max. at rpm 7,200 rpm 7,200 rpm
Clutch engagement speed (±120) 3,900 rpm 3,900 rpm
Fuel consumption 432 g/kWh 432 g/kWh
Fuel consumption 2.6 lbs/h 2.6 lbs/h
Spark plug NGK CMR6H NGK CMR6H
Electrode gap 0.02 in 0.02 in
Ignition module air gap 0.01 in 0.01 in
Oil pump type Adjustable flow, no flow at idle Adjustable flow, no flow at idle
Emission    
Exhaust emissions (CO2 EU V) 844 g/kWh 844 g/kWh
Equipment    
Bar length (inch) 18 in 20 in
Recommended bar length, min 13 in 13 in
Recommended bar length, max 20 in 20 in
Chain type S35G SP33G
Pitch .325" .325"
Sprocket type Rim 7 Rim 7
Dimensions    
Weight (excl. cutting equipment) 11.7 lbs 11.7 lbs
Lubricant    
Lubricant type (Engine) Husqvarna 2 stroke or equiv. at 50:1  
Oil tank volume 0.68 US pint 0.68 US pint
Oil tank volume 0.32 l 0.32 l
Sound and Noise    
Sound power level, guaranteed (LWA) 116 dB(A) 116 dB(A)
Sound power level, measured 114 dB(A) 114 dB(A)
Sound pressure level at operators ear 106 dB(A) 106 dB(A)
Vibration    
Equivalent vibration level (ahv, eq) front handle 3.6 m/s² 3.6 m/s²
Equivalent vibration level (ahv, eq) rear handle 4.1 m/s² 4.1 m/s²

 

 

Engine 545 Mark II 545 Mark II 545 Mark II
  Art no: 967 69 06‑36 Art no: 967 69 06‑38 Art no: 967 69 06‑40
Power output 3.6 hp 3.6 hp 3.6 hp
Cylinder displacement 3.06 cu.inch 3.06 cu.inch 3.06 cu.inch
Maximum power speed 9,900 rpm 9,900 rpm 9,900 rpm
Idling speed 2,800 rpm 2,800 rpm 2,800 rpm
Torque, max. 2.95 Nm 2.95 Nm 2.95 Nm
Torque, max. at rpm 7,200 rpm 7,200 rpm 7,200 rpm
Clutch engagement speed (±120) 3,900 rpm 3,900 rpm 3,900 rpm
Fuel consumption 432 g/kWh 432 g/kWh 432 g/kWh
Fuel consumption 2.6 lbs/h 2.6 lbs/h 2.6 lbs/h
Spark plug NGK CMR6H NGK CMR6H NGK CMR6H
Electrode gap 0.02 in 0.02 in 0.02 in
Ignition module air gap 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
Emission      
Exhaust emissions (CO2 EU V) 844 g/kWh 844 g/kWh 844 g/kWh
Equipment      
Bar length (inch) 16 in 18 in 20 in
Recommended bar length, min 13 in 13 in 13 in
Recommended bar length, max 20 in 20 in 20 in
Chain type SP33G SP33G SP33G
Pitch .325" .325" .325"
Sprocket type Rim 7 Rim 7 Rim 7
Dimensions      
Weight (excl. cutting equipment) 11.7 lbs 11.7 lbs 11.7 lbs
Lubricant      
Lubricant type (Engine) 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
Oil tank volume 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)
Sound power level, measured 114 dB(A) 114 dB(A) 114 dB(A)
Sound pressure level at operators ear 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
Equivalent vibration level (ahv, eq) rear handle 4.1 m/s² 4.1 m/s² 4.1 m/s²