1.5-inch diesel high pressure water pumps powered by a C.A.G fuel efficient 6hp diesel engine come complete with a high quality air filter, along with low oil shut down for added safety. To ensure the best performance, the high pressure pump has a long-lasting silicon carbide mechanical seal, aluminum impeller, and cast iron volute. This kind of pump is ideal for washing heavy-duty equipment, sprinkler systems, and for providing the water pressure needed to fight fires in remote areas.