UP2, UP3, UP6/12 and UP6/24 are self-priming (to 4.9 ft.); UP12/12 and UP12/24 are self-priming (to 13.1 ft.). UP14/12 and UP14/24 are self-priming to 13.1 ft. All are electric pumps with bronze gears. The pump bodies are nickel-plated brass and have stainless steel shafts. For use with diesel fuel, and antifreeze. Weight: 7.3 lbs.