HL Series of single-stage Dri-Prime pumps from Godwin Pumps offers heads up to 600 feet and flows up to 5,000 gpm. Because they are automatic self-priming pumps, they are always ready to go and can start dry and run dry without any damage, the company says. The Dri-Prime system has no moving parts and requires little maintenance. Sizes range from 4 to 12 inches and horsepower from 71 to 500. There are 10 diesel models in the line, all available with electric motors as well.