49 cm
Cutting width
2.2 kW
Output shaft power1
8.7 kg
Weight (excl. cutting equipment)
What's included
HUSQVARNA 545RXT AutoTune™ - 967 17 67‑04


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

545RXT AutoTune™

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.
Compare specifications and features with similar Husqvarna products.

AutoTune, Balance XT, All ex US 50, CN, Grass knife 300-3T-1", Trimmy T45X

Art no: 967 17 67‑04

AutoTune, Balance XT, All ex US 50, CN, Grass knife 300-3T-1", Trimmy T45X
Art no: 967 17 67‑04
Cylinder displacement45.7 cm³
Output shaft power1
2.2 kW
Fuel tank volume1 l
Fuel consumption450 g/kWh
Maximum power speed9,000 rpm
Idling speed2,700 rpm
Maximum rpm output shaft8,800 rpm
Electrode gap0.5 mm
Clutch engagement speed (±120)4,300 rpm
Torque, max.2.6 Nm
Torque, max. at rpm6,600 rpm
Spark PlugNGK CMR6H
Grass bladeMulti 300-3
HarnessBalance XT
Trimmer headT45X M12
Cutting width49 cm
Gear ratio1.4
Drive gear angle35 °
Tube diameter32 mm
Weight (excl. cutting equipment)8.7 kg
Tube length1,465 mm
Lubricant type (Engine)Husqvarna 2 stroke or equiv. at 50:1
Lubricant type (bevel gear)Biodegradable grease
Sound and noise
Sound pressure level at operators ear100 dB(A)
Sound power level, guaranteed (LWA)117 dB(A)
Exhaust emissions (HC average) EU45.98 g/kWh
Exhaust emissions (CO average) EU283.71 g/kWh
Exhaust emissions (CO average) EPA268.74 g/kWh
Exhaust emissions (NOx average) EU1.28 g/kWh
Exhaust emissions (NOx average) EPA1.09 g/kWh
Exhaust emissions (CO₂ EU V)2
856 g/kWh
Equivalent vibration level (ahv, eq) left handle3.3 m/s²
Equivalent vibration level (ahv, eq) right handle3.5 m/s²
Owner support
Manuals, handbooks, spare parts, guides, and related information for 545RXT AutoTune™ can be found in the product support.
Product support for 545RXT AutoTune™
  • 1Output shaft power: Net power rating as per ISO 8893, at specified RPM
  • 2Exhaust emissions (CO₂ EU V): This CO2 measurement results from testing over a fixed test cycle under laboratory conditions a(n) (parent) engine representative of the engine type (engine family) and shall not imply or express any guarantee of the performance of a particular engine.