Echo RM-520ES Backpack Brushcutter The RM-520ES is a low vibration professional brushcutter featuring a high tensile steel driveshaft and loop handle. The backpack design makes it ideal for safer and comfortable use on banks and other difficult-to-reach areas. It features a powerful 50.2cc two-stroke engine and Easy Start for effortless starting. The RM-520ES comes with a range of features designed to enhance performance and user comfort. These include a heavy-duty air filter, throttle trigger protection, split boom design and a padded harness. It is supplied with a trimmer head and blade. This product is part of ECHO’s X Series range of “best-in-class” products. Technical Specifications Engine displacement (cc) 50.2 Output (kW) 2.16 Dry Weight (kg) 11.9 Fuel Tank Capacity (ml) 1070 Fuel Consumption At Maximum Engine Power (L/h) 1.23 Carburettor Diaphragm Start Assist System ES-start Drive shaft diameter (mm) 8.0 Main pipe diameter (mm) 28.0 Gear reduction ratio 1.33 Standardised Nylon Head Z5 M10L Standardised Nylon Head (Item Number) X047-000332 Vibration Left handle/Right handle (m/s) Nylon head 5.3 / 4.0 Sound power level (dB(A)) Blade/Nylon head - / 110.6 Sound pressure level (dB(A)) Blade/Nylon head - / 97.5 CO² (g/kW・h) 825