Tandem Hydraulic gear pump. 4 GPM section and 6 GPM section pump. 3000 PSI maximum operating pressure. 2000 RPM rated speed, 4000 RPM maximum speed. SAE A two bolt flange mount. #12 SAE inlet port with #10 SAE outlet port. Separate inlet and outlet port. 5/8" diameter keyed shaft. Clockwise rotation. Aluminum housing. Single inlet with two outlets.