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.
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Key Features
Excellent cooling capacity for a longer engine life
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 withstands high rpms and tough professional use, ensuring a long service life
SmartStart® Technology for easy and fast starting with minimum effort.
Snap-Lock Cylinder Cover saves time when changing spark plugs and cleaning
Transparent Fuel Indicator makes it easy to check fuel level
Retained bar nuts prevents loosing the bar nuts.
Quick-Release Air Filter
Retained starter screws prevents the accidental loss of the screws holding the starter
Flip-Up Fuel Cap is easy to open and secures firmly, even when wearing thick gloves
LowVib® Technology consists of dampeners between the engine and chassis significantly reducing vibrations so you can work more comfortably
Felling sight permanently molded into the chainsaw for long-lasting felling accuracy
Air Injection Technology™ expels larger dust and debris particles before they reach the air filter to help improve engine life.
Adjustable Oil Pump allows you to customize and control oil flow to meet any need.
Side-Mounted Chain Tensioner
Powerful and Efficient X-TORQ® Engine thanks to highly efficient combustion.
Three-Piece Crankshaft delivers maximum durability for even the toughest of jobs.
Made for Professional use
Specifications
Weight (excl. cutting equipment) - 11.7 lbs
Recommended bar length, min - 13"
Pitch - .325"
Recommended bar length, max - 20"
Chain Type - S35G
Bar Length - 16"
Sprocket Type - Rim 7
Gauge - .058"
Chain speed at max power - 62.7 fts
Cylinder displacement - 50.1 cm
Output shaft power - 3.6 HP
Torque, max - 2.95 Nm
Torque, max at rpm - 7,200 rpm
Clutch engagement speed (±120) - 3,900 rpm
Electrode gap - .02"
Idling speed - 2,800 rpm
Maximum power speed - 9,900 rpm
Oil pump type - Adjustable flow, no flow at idle
Spark Plug - NGK CMR6H