Powerful brushcutter with AutoTune™ and large cutting width

Husqvarna 545RXT AutoTune™ 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 damping help maximise productivity and comfort even for the longest, toughest jobs.
Engine
AutoTune, Balance XT2, All ex US 50, CN, Grass knife 300-3T-1″, Trimmy T45X
Art no: 967 17 67‑04

Cylinder displacement

45,7 cm³

Output shaft power

1 

2,2 kW

Fuel tank volume

1 l

Fuel consumption

450 g/kWh

Maximum power speed

9 000 rpm

Idling speed

2 700 rpm

Maximum rpm output shaft

8 800 rpm

Electrode gap

0,5 mm

Clutch engagement speed (±120)

4 300 rpm

Torque, max.

2,6 Nm

Torque, max. at rpm

6 600 rpm

Spark Plug

NGK CMR6H
Equipment

Grass blade

Multi 300-3

Harness

Balance XT2

Saw blade

Not included

Trimmer head

T45X M12

Handle type

Bullhorn
Control

Connectivity

Not applicable
Capacity

Cutting width

49 cm
Transmission

Gear ratio

1,4

Drive gear angle

35 °
Dimensions

Tube diameter

32 mm

Weight (excl. cutting equipment)

8,7 kg

Tube length

1 465 mm
Lubricant

Lubricant type (Engine)

Husqvarna 2 stroke or equiv. at 50:1

Lubricant type (bevel gear)

Mineral grease
Sound and noise

Sound pressure level at operators ear

100 dB(A)

Sound power level, guaranteed (LWA)

117 dB(A)
Emission

Exhaust emissions (HC average) EU

45,98 g/kWh

Exhaust emissions (CO average) EU

283,71 g/kWh

Exhaust emissions (CO average) EPA

268,74 g/kWh

Exhaust emissions (NOx average) EU

1,28 g/kWh

Exhaust emissions (NOx average) EPA

1,09 g/kWh

Exhaust emissions (CO₂ EU V)

2 

856 g/kWh
Vibration

Equivalent vibration level (ahv, eq) left handle

3,3 m/s²

Equivalent vibration level (ahv, eq) right handle

3,5 m/s²