Self-priming to 10', ideal for engine cooling, wash-down, circulation, and many general purpose applications. The bronze bodies and stainless steel shafts are suited for the marine environment and can operate in either rotational direction. Most models have replaceable cams and wearplates for extended life. All GPM ratings are at 1750 rpm.. Mid-size pump with horizontal oriented ports. Half cam, mechanical seal, and short shaft for caterpillar engines. Double-row ball bearings. Neoprene impeller