Concentric G.C. Series hydraulic Pump are compact, external gear models for use in pumping fluids with lubricating qualities. Suitable for use in a wide variety of material handling, agricultural, and construction equipment in addition to machine tools, robotics, and other types of machinery.  Design to provide reliable, long life service under rugged conditions. G.C. Series Pump are built with cast iron bodies and hardened steel gears. Among their other standard extra value features are: Speeds to 4000 RPM and Pressures to 4000 PSI.  Superior volumetric efficiency.