2025 Husqvarna® Power Professional Chainsaws 545 Mark II 18 in

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Year 2025
Make Husqvarna® Power
Model Professional Chainsaws

Shop Husqvarna® Power Pre-Owned

Product Details Specifications Photos

Year 2025
Manufacturer Husqvarna® Power
Model Name Professional Chainsaws
Trim Name 545 Mark II 18 in
Generic Type (Primary) General
Displacement 3.06 cu.inch
Engine Power 3.6 hp
Engine Torque 2.95 Nm | Torque, max. at rpm: 7,200 rpm
Rated Engine Speed Maximum power speed: 9,900 rpm | Idling speed: 2800 rpm
Ignition module air gap: 0.01 in
Exhaust emissions (CO2 EU V) 844 g/kWh
Lubrication Husqvarna 2 stroke or equiv. at

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.

Features may include:

Excellent cooling capacity for a longer engine life

Our new cooling system is optimised 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.

Engine

Displacement 3.06 cu.inch

Engine Power 3.6 hp

Engine Torque 2.95 Nm | Torque, max. at rpm: 7,200 rpm

Rated Engine Speed Maximum power speed: 9,900 rpm | Idling speed: 2800 rpm

Ignition module air gap: 0.01 in

Exhaust emissions (CO2 EU V) 844 g/kWh

Lubrication Husqvarna 2 stroke or equiv. at

Drivetrain

Clutch engagement speed (±120): 3,900 rpm

Operational

Operating Conditions Fuel consumption: 432 g/kWh (2.6 lbs/h) | Equivalent vibration level (ahv, eq) front handle: 3.6 m/s² | Equivalent vibration level (ahv, eq) rear handle: 4.1 m/s²

Performance

Noise Level Sound power level, guaranteed (LWA):116 dB(A))| Sound power level, measured:114 dB(A) | Sound pressure level at operators ear: 106 dB(A)

Dimensions

Dimensions Electrode gap: 0.02 in | Pitch: .325"

Length Bar: 18 in| Recommended bar length, min / max: 13 in / 20 in

Capacities

Volume Oil tank: 0.68 US pint | Oil tank: 0.32 l

Weights

Weight excl. cutting equipment):11.7 lbs

Features

Features Sprocket type: Rim 7

Chain Type S35G / SP33G

2025 Husqvarna® Power Professional Chainsaws 545 Mark II 18 in