X-Torq® engine

The specially developed and powerful Husqvarna X-Torq® engine reduces emissions by up to 60% and increases fuel efficiency by up to 20%.

Excellent cooling capacity

Incorporated optimised cooling system for a longer engine life

Autotune™ II

Automatic engine management system which compensates for air filter condition, fuel mix, altitude and weather conditions for optimal performance.

Magnesium crankcase

Designed for professional use

Three-piece crankshaft

Forged three-piece crankshaft delivers maximum durability for even the toughest of jobs.

Snap-lock cylinder cover

Designed to save time when changing spark plugs and cleaning.

Air Purge

Enjoy quick and easier starting with the incorporated Air Purge system which removes air from the carburettor and fuel system for easy starting.

Smart Start® technology

Specially designed engine and starting arrangement for easy and fast starting with the minimum of effort.

Combined choke/stop control

Stop switch automatically resets when the choke is pulled out to help prevent accidental flooding.

Air Injection

The air injection and air cleaning system of the 545 Mark II removes dust and debris before reaching the air filter, resulting in less filter cleaning, less maintenance, longer operating times and extended engine life.

Quick-release air filter

Air filter easily accessible, easy to remove and replace after cleaning or replenishment.

Retained starter screws

Ensures screws are held in place.

Flip-up filler caps

Convenient, quick and easy to open and secures firmly, even when wearing gloves.

Fuel indicator

Transparent fuel indicator makes it quick and easy to check fuel level at a glance.

Adjustable oil pump

Customise and control oil flow to meet any need.

Slimmed-down design

Easy and convenient to handle in any situation.

Low-Vib®

Effective anti-vibration dampeners absorb vibration and spare the user’s arms and hands for more comfortable operation.

Ergonomic rear handle

Ergonomic soft grip rear handle for improved operator comfort and control.

Felling sight to last a lifetime

Perfect sight dedicated marks for critical felling precision.

Inertia chain brake

Effective inertia-activated chain brake for improved operator safety.

Side-mounted chain tensioner

Allows for quick and convenient chain tensioning.

Retained bar nuts

The retaining function prevents losing bar nuts.