Kohler Co.
Nine models make up the line, ranging from a 2-kilowatt (kW) inverter to a 12.3-kW gasoline model, plus four portable water and trash pumps in varying diameters. The smallest model, the PRO2.0iS, includes an intelligent sensor that monitors power demand and varies engine speed. The high-end model, the PRO12.3EFI gasoline model, features the Command PRO electronic fuel injection engine.