Get a reliable drum pump from Grainger to help siphon lightweight oils, detergents and automotive fluids from industrial barrels. Choose a barrel pump to help dispense low-viscosity detergents and fuels typically used in car wash and service bays for vehicle fleets and heavy equipment maintenance. Find drum pumps that can operate by hand, electricity or battery and to help draw fluids from small 5-gal. containers and drums up to 55 gal. Shop Grainger!