The Mercury Marine serial number 0B308972 refers to a 60 horsepower, three-cylinder outboard motor manufactured in 1988. The motor's model number is 1060312BD, and its catalog number is 16404.
Mercury Marine is a division of the Brunswick Corporation, which primarily manufactures engines for small boats. The company was founded in 1939 by Carl Kiekhaefer in Cedarburg, Wisconsin, and it has grown to be the world's leading builder of marine propulsion systems. Headquartered in Fond du Lac, Wisconsin, Mercury produces engines that are designed for personal, commercial and government use. In addition, Mercury Racing, the company's racing division, focuses on powerboat racing and high-performance marine products.