Generator Set, Engine, Pumping Unit manufacturer / supplier in China, offering 4-Cylinder 50HP Ricardo Water-Cooled 490 Small Diesel Engine, Zh490 High Stable Output High Horsepower 4-Cylinder Water-Cooled Diesel Engine with Configurable Clutch, Zh490 4-Cylinder Water-Cooled Diesel Engine with High Stable Output for Agricultural Water Pumps/Generators/Mining Machinery and so on.