<div><b>Key Specifications &amp; Features</b></div><ul><li><b>Engine Model:</b>&nbsp;The most widely used model is the&nbsp;Robin EY20, a 5 horsepower, air-cooled, 4-cycle gasoline engine. Other models like the EX17D are also utilized.</li><li><b>Power Output:</b>&nbsp;Typically around 5 HP (horsepower) at 4000 rpm, providing ample power for smoothing large concrete surfaces.</li><li><b>Trowel Diameter:</b>&nbsp;Commonly available in 36-inch (910 mm) or 40-inch (1000 mm) diameters.</li><li><b>Weight:</b>&nbsp;The dry weight of the trowel unit usually ranges from 75 kg to 85 kg, which helps assure a superior finish by providing necessary downward pressure.</li><li><b>Rotation Speed:</b>&nbsp;The blades can rotate at speeds typically between 60 to 130 RPM (revolutions per minute).</li></ul>