Engine Type: 4-stroke single-cylinder gasoline/petrol engine (typically ranging from 6.5 HP to 7.5 HP).Pump Mechanism: A brass triplex piston plunger pump (HTP pump) featuring manual pressure-adjusting valves (indicated by the red handles) and an integrated pressure gauge.Primary Utility: It is heavily utilized for commercial car washing businesses, high-pressure agricultural crop spraying, and applying liquid fertilizers or pesticides across large farmlands.