The GRACO CD3172 DYNA-STAR COMPACT PUMP is an electric, brushless DC motor-driven grease pump designed for reliable, high-capacity lubrication in demanding environments. It is constructed from robust materials such as steel, Buna-N, Acetal, Lubrithane, and Polyurethane, and is intended for use in automatic lubrication systems for in-plant machinery and off-road equipment.