RAM Portable Pump - Medium Pressure; This air-powered mobile gear oil pump features the exclusive Alemite RAM air motor for quiet operation and quick serviceability. Pump delivers up to 4 gal. of SAE 140-gear lube per minute at 150 PSI air pressure. Models include cover mounted pump, 5 1/2' delivery hose, electronic meter, control handle and rugged steel dolly. The cover has a built-in control handle holder to keep hose and handle off floor. Pump air motor is 3" diameter. Air inlet is 1/4" NPTF(F) female pipe thread.