Husqvarna 545RXT-AT is a brushcutter for professional users cutting or trimming long stretches of heavy grass or other vegetation.  Its combination of power, performance and comfort means high productivity and low user strain.  Simplified starting procedure: just purge, push the start button and pull the cord.  Powerful engine with X-Torq technology offers high fuel efficiency and reduced exhaust emission levels, while Auto Tune automatic engine adjustment ensures peak performance regardless of fuel quality, climate or altitude.  Balance XT harness, adjustable handles and efficient vibration dampening help maximize productivity and comfort even for the longest, toughest jobs.



Simpler StartingEasy as 1, 2, 3 – Push purge bulb, Push the start button, Pull the cord……and go!
Auto TuneAlways optimized engine performance – no need for carb adjustment due to variations in fuel quality, climate or altitude.
Balance XTErgonomic harness with broad back support, should straps and hip belt that distributes the load over a larger area.  Adjustable back plate for perfect fit.
Optimised Shaft & GearOptimised shaft length and 35 degrees bevel gear facilitates operation and allows the cutting equipment working parallel to the ground.




Cylinder Displacement45.7 cm3
Power Output2.2 kW
Maximum Power Speed9000 rpm
Fuel Tank Volume1 L
Fuel Consumption450 g/kWh
Idling Speed2700 rpm
Spark PlugNGK CMR6H
Electrode gap0.5 mm
Clutch engagement speed (+120)4300 rpm
Maximum rpm output shaft8800 rpm
Output Shaft ThreadM12x1.75V


Gear Ratio14
Drive Gear Angle35o


Weight (excl. Cutting equipment)8.6 kg
Tube Length1465 mm
Tube diameter32 mm


OEM Grass BladeMulti 300-3
OEM HarnessBalance XT
OEM Trimmer HeadT45XM12


Lubricant TypeHusqvarna 2 stroke or equiv. at 50:1
Lubricant type (bevel gear)Biodegradable grease


Sound Power Level Guaranteed (LWA)117 dB(A)
Sound Pressure Level at Operators Ear102 dB(A)