Self-priming motor pumps made on galvanized frame with wheels and manual handle for movement, motors with standard fuel tank and recoil starter. Ideal for drainage and any other more demanding application on construction sites and in the industrial and emergency sectors. The pumping of more abrasive fluids with a high passage of solid parts is guaranteed by the robustness of the hydraulic system and the exclusive impeller, with open blades and double curvature type.