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545FX
Overview
HUSQVARNA 545FX

Exceptionally easily operated forestry clearing saw with high 
performance and unique ergonomical solutions designed for full 
time spacing tasks. Optimised transmission with the bevel gear 
angled 24 degrees simplifies directional felling in dense forests. 
Easily started X-torq® engine with rapid acceleration, reduced fuel 
consumption and emissions. Very low vibrations thanks to an effective 
anti-vibration of the engine, drive shaft and cutting equipment. 
Easy to start with Smart Start®. Delivered with Balance XT harness.
 
 
 
X-Torq® engine
The X-Torq® engine design reduces harmful exhaust emissions by up to 75% and increases fuel efficiency by up to 20%.
 
Smart Start®
The engine and starter have been designed so the machine starts quickly with minimum effort. Resistance in the starter cord is reduced by up to 40%.
 
Adjustable handle bar
Adjustable and ergonomically designed handlebar for best comfort.
 
Thumb-operated throttle
Thumb-operated throttle for efficiency and precision control. Reduces strain on the hand muscles.
 
Easy blade switch
Magnetic locking pin holder facilitates blade switch.
 
LowVib®
Effective anti-vibration dampeners absorb vibration, sparing the user’s arms and hands.
 
Balance XT
Ergonomic harness with broad back support, shoulder straps and hip belt that distributes the load over a larger area. Adjustable back plate for perfect fit.
Fuel pump
Fuel pump designed for easy starting.
 
 
More Feautures:
Forestry bevel gear
Auto return stop switch
Comfort handle
 
Specifications for 545FX
Engine specification
Cylinder displacement 2.8 cu.inch / 45.7 cm³
Power output 3 hp / 2.2 kW
Maximum power speed 9000 rpm
Fuel tank volume 30.4 fl oz / 0.9 lit
Fuel consumption 450 g/kWh
Fuel consumption 2.2 lbs/h / 1 kg/h
Idling speed 2700 rpm
Spark plug NGK CMR6H
Electrode gap 0 " / 0.5 mm
Clutch engagement speed 3900 rpm (±120 rpm)
Maximum rpm output shaft 10100 rpm
Output shaft thread M12x1.75V
Lubricants
Lubricant type (bevel gear) Mineral grease
Emission Data EU
Basic model H 545FXT
Emission data EPA
Exhaust emissions (CO average) 181.69 g/kWh
Vibration & noise data
Equivalent vibration level (ahv, eq) left / right handle 2/3.2 m/s²
Sound pressure level at operators ear 99 dB(A)
Sound power level, guaranteed (LWA) 114 dB(A)
Transmission data
Gear ratio 1:1.29
Drive gear angle 24 °
Equipment
OEM Saw blade Scarlett 225-24
OEM Harness Balance XT
Overall dimensions
Weight (excl. cutting equipment) 17.9 lbs / 8.1 kg
 
545FX - Blog