Water Pump, gasoline engine drived, 3", Self Priming, with copy Robin EY20D engine. Water Pump driven by gasoline engine.Specifications::1) Suction: 80mm (3 inches) 2) Max. capacity: 30cbm/h3) Discharge port dia.: 80mm4) Self-priming time: 120s/4m5) Max. head: 25m6) Max. suction head: 8m7) Engine Model: EY20D Gasoline Water Pump Set