Husqvarna 545RXT AutoTune™

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.

SKU: 9671767-05
$ 1,959.00 Rec. retail price incl GST


Three easy steps to start

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

Always optimized engine performance

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

Extra comfort with Balance XT harness

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 gear angle for best cutting performance

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

Adjustable handle bar for best comfort

Adjustable and ergonomically designed handlebar for best comfort.

Great power and efficiency

Our X-TORQ® engines deliver great power and torque thanks to highly efficient combustion.

With Tap’n Go, line feeding is done effortlessly by simply pushing the trimmer head into the ground.

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

Good balance with fuel tank in front of engine

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

Fuel pump for easy starting

Fuel pump designed for easy starting.

When the stop switch has been used, it is automatically reset to ON to facilitate the next start.

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

Ergonomic designed handles

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

Magnetic locking pin holder facilitates switch of cutting equipment.

Magnet locking pin holder facilitates easy switch of cutting equipment.

High hande bar, more leg space

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

LowVib® sparing the user’s arms and hands

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

Tranparent tank, easy to check fuel level

Transparent fuel tank for checking the fuel level.

Straight shaft for extended reach

Long shaft, optimised for clearing grass.

Bevel gear designed for optimal cutting performance.

Bevel gear designed for optimal cutting performance. It provides high torque and ensures the correct angle so that the cutting equipment is kept parallel to the ground.

Find the best balance

Adjustable eye let for best balance

Clutch engagement speed (±120) 4300 rpm
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
Maximum rpm output shaft 8800 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) EU 283.71 g/kWh
Exhaust emissions (CO average) EPA 268.74 g/kWh
Exhaust emissions (HC average) EU 45.98 g/kWh
Exhaust emissions (HC average) EPA 40.63 g/kWh
Exhaust emissions (NOx average) EU 1.28 g/kWh
Exhaust emissions (NOx average) EPA 1.09 g/kWh
Grass blade Multi 300-3
Harness Balance XT
Trimmer head T45X M12
Lubricant type (bevel gear) Biodegradable grease
Lubricant type (Engine) Husqvarna 2 stroke or equiv. at 50:1
 Sound and Noise
Sound power level, guaranteed (LWA) 117 dB(A)
Sound power level, measured 115 dB(A)
Sound pressure level at operators ear 100 dB(A)
Tube diameter 32 mm
Tube length 1465 mm
Weight (excl. cutting equipment) 8.7 kg