Key Specifications & Features:Engine: Robin EY20D, 4-stroke, air-cooled gasoline engine (Net power typically around 3.7 kW or 5.0 HP at 3600 rpm).Connection Diameter: 3 inches (80 mm) for both inlet and outlet.Performance: Maximum delivery volume is typically 860 to 1050 liters per minute, with a total head up to 27-32 meters.Durability: Features a cast iron impeller and aluminum die-cast pump casing for heavy-duty use.