The Husqvarna 545RXT AT (Autotune) is a powerful, high-performance professional petrol-powered (2-stroke) bullhorn brushcutter designed for cutting or trimming long stretches of heavy grass, vegetation and other heavy-duty applications. It can also be used as a forestry clearing saw. This 45cc pro-grade trimmer line and blade capable brushcutter combines power, performance, comfort, high productivity and low user strain together in one user-friendly machine. It features a powerful X-Torq engine with a simplified starting procedure and Autotune automatic engine adjustment which ensures peak performance regardless of fuel quality, climate or altitude. It is equipped with a comfort package which includes LowVIB pro-grade anti-vibration, a Balance XT harness and comfort grip handles, making it ideal for periods of extended safe use.