2 Bolt SAE B Flange Mounting, 15 Tooth Splined Shaft, 49.2cc/rev Servo Controlled Clockwise Thru Drive Piston Pump, 2 Bolt SAE A Rear Mount, 11 Tooth Splined Rear Coupling Supplied, 1.3125" O-ring Side Ports, 275.8 Bar Pressure Relef Cartridges, 6.9cc/rev Charge Pump, 17 Bar Charge Pressure Relief Cartridge, Maximum Working Pressure 345 bar, Vickers by Danfoss