Abstract: An automatic grease dispensing system for supplying grease to at least one destination includes a grease container, at least one drive cylinder configured for reciprocating motion, a pump cylinder coupled to and driven by each drive cylinder, wherein the pump cylinder includes an inlet in fluid communication with grease in the grease container and an outlet in fluid communication with one destination to be supplied with grease, a first one way check valve coupled to each inlet configured to allow grease to flow from the grease container to the pump cylinder and configured to prevent grease to flow from the pump cylinder to the grease container, and a second one way check valve coupled to each outlet configured to allow grease to flow from the pump cylinder to the one destination and configured to prevent grease to flow from the destination to the pump cylinder.