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.
 
Quick-Release Air Filter
Easily remove and replace the filter after cleaning
Powerful and Efficient X-TORQ® Engine
X-Torq® engines deliver a great power and torque thanks to highly efficient combustion.
Easy to start
Combined start/stop switch and fuel pump make the saw very easy to start.
Fuel Indicator
Transparent fuel indicator makes it easy to check fuel level
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.
Slimmed-down design
Low, slender saw body makes the chainsaw easy and convenient to handle in any situation.
Retained bar nuts
The retaining function prevents loosing the bar nuts.
Felling sight to last a lifetime
Having a perfect sight is critical when using a chainsaw – so we made one that’s permanently molded into the chainsaw for long-lasting felling accuracy.
Flip-Up Fuel Cap
Easy to open and secures firmly, even when wearing thick gloves
Three-Piece Crankshaft
Forged three-piece crankshaft delivers maximum durability for even the toughest of jobs
Adjustable Oil Pump
Customize and control oil flow to meet any need
Snap-Lock Cylinder Cover
Saves time when changing spark plugs and cleaning.
Side-Mounted Chain Tensioner
Easier access to chain tensioning device.
Magnesium crankcase
Sturdily built crankcase withstands high rpms and tough professional use, ensuring a long service life.
Air Injection™ Technology
Centrifugal air cleaning system expels larger dust and debris particles before they reach the air filter to help improve engine life
LowVib® Technology
Dampeners between the engine and chassis significantly reduce vibrations so you can work more comfortably
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.
Retained starter screws
A retaining function prevents the accidental loss of the screws holding the starter.
Smart Start® Technology
Specially-designed engine and starter for easy and fast starting with minimum effort
Made for professional use
Engineered for professional use, offering power, performance and durability for demanding tasks.