• GBP
  • USD
  • EUR

Brushcutter HUSQVARNA 545RX

Professional brushcutter with high performance as well as sensational ergonomics and manoeuvrability. The X-Torq® engine provide raw power and excellent fuel economy.Optimized shaft length and bevel gear angled 35 degrees. Delivered with Balance X harness.

Cylinder displacement

45.7 см³ 

Weight (excl. cutting equipment)

8.9 kg 

OEM Harness

Balance X 

Equivalent vibration level (ahv, eq) left handle

3.2 m/s² 



Description Spec 545RX Contact us


Want to take a closer look? Learn more about the product in depth by exploring its design and features.

130BT, 150BT, 170BT, 180BT

X-Torq® engine

The X-Torq® engine design increases torque over a wider rpm range providing maximum cutting power.

Adjustable handle bar

Adjustable and ergonomically designed handlebar for best comfort.


Ergonomic harness with broad back support, shoulder straps and hip belt that distributes the load over a larger area.
Harness Balance X 2008

Long shaft

Long shaft providing extended reach, facilitating grass clearing.
345Rx, 343R
  • Optimised centre of gravity
  • Smart Start®
  • Auto return stop switch
  • Ergonomic design
  • Combi-guard
  • Comfort handle
  • Easy switch of cutting equipment
  • High offset post
  • LowVib®
  • Transparent fuel tank
  • Fuel pump
  • Grass bevel gear
  • Adjustable harness hook eyelet
  • Ergonomic handle
  • Soft grip handles
  • Tap 'n Go
Optimised centre of gravity
Improved balance thanks to the fuel tank placement in front of the engine.


Power output
2.1 kW
Cylinder displacement
45.7 см³
Maximum rpm output shaft
8800 rpm
Maximum power speed
9000 rpm
Idling speed
2700 rpm
Clutch engagement speed (±120)
3900 rpm
Fuel tank volume
0.9 l
Fuel consumption
450 g/kWh
Fuel consumption
1 kg/h
Output shaft thread
Spark plug
Electrode gap
0.5 mm
Exhaust emissions (CO2 EU V)
910 g/kWh [1]


Gear ratio
Drive gear angle
35 °


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


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


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

Sound and Noise

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


Exhaust emissions (HC average)
36.45 g/kWh
Exhaust emissions (HC average)
35.37 g/kWh
Exhaust emissions (CO average)
262.85 g/kWh
Exhaust emissions (CO average)
269.16 g/kWh
Exhaust emissions (NOx average)
1.96 g/kWh
Exhaust emissions (NOx average)
1.76 g/kWh

If you would like to talk to one of our experts regarding this or any other product, just fill in the form below and one of our team will be in touch.