45.7cc. Husqvarna 545RXT 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.