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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 AutoTune™ automatic engine adjustment ensures peak performance regardless of fuel quality, climate or altitude. Balance XT harness, adjustable handles and efficient vibration dampening help maximise productivity and comfort even for the longest, toughest jobs.


  • Simpler starting

    Easy as 1, 2, 3:
    1. Push purge bulb
    2. Push the start button
    3. Pull the cord… and go!



    Always optimized engine performance - no need for carb adjustment due to variations in fuel quality, climate or altitude.


    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.


    Optimised shaft & gear

    Optimised shaft length and 35 degrees bevel gear facilitates operation and allows the cutting equipment working parallel to the ground.


    Adjustable handle bar

    Adjustable and ergonomically designed handlebar for best comfort.


    X-Torq® engine

    The X-Torq® engine design reduces harmful exhaust emissions by up to 75% and increases fuel efficiency by up to 20%.


    Tap 'N Go™

    Heavy duty twin line cutting system with Tap 'N Go™ for quick line feed.


    Optimised centre of gravity

    Improved balance thanks to the fuel tank placement in front of the engine.


    Fuel pump

    Fuel pump designed for easy starting.


    Auto return stop switch

    When the machine is turned off, the stop button automatically returns to the start position for trouble free starting.


    Ergonomic design

    Angled handle bar and comfort handles provides excellent grip and working position.


    Easy switch of cutting equipment

    Magnet locking pin holder facilitates easy switch of cutting equipment.


    High offset post

    High offset post increases freedom of movement when working on slopes.



    The LowVib anti vibration system effectively reduces vibrations from the handle and throttle control.


    Transparent fuel tank

    Transparent fuel tank for checking the fuel level.


    Long shaft

    Long shaft, optimised for clearing grass.


    High torque bevel gear

    Bevel gear designed with high torque and the cutting equipment parallell to the ground for best cutting performance


    Adjustable harness hook eyelet

    Adjustable eye let for best balance.


    Comfortable handle

    Comfortable handle design.


    Soft grip handles

    Soft grip handles for comfortable use


    Cylinder displacement 45.7 cm³
    Electrode gap 0.5 mm
    Fuel consumption 450 g/kWh
    Fuel tank volume 1 l
    Idling speed 2700 rpm
    Maximum power speed 9000 rpm
    Output shaft thread M12x1.75V
    Power output 2.2 kW
    Spark plug NGK CMR6H
    Torque, max. 2.6 Nm
    Torque, max. at rpm 6600 rpm



    Drive gear angle 35 °
    Gear ratio 1.4



    Exhaust emissions (CO average) 283.71 g/kWh
    Exhaust emissions (CO average) 268.74 g/kWh
    Exhaust emissions (HC average) 45.98 g/kWh
    Exhaust emissions (HC average) 40.63 g/kWh
    Exhaust emissions (NOx average) 1.28 g/kWh
    Exhaust emissions (NOx average) 1.09 g/kWh



    Grass blade Multi 300-3
    Harness Balance XT
    Trimmer head T45X M12



    Sound power level, guaranteed (LWA) 117 dB(A)
    Sound power level, measured 115 dB(A)
    Sound pressure level at operators ear 102 dB(A)



    Tube diameter 32 mm
    Tube length 1465 mm
    Weight (excl. cutting equipment) 8.6 kg
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