Cast Iron Roller Pump 7.2 GPM, 150 PSI, 2600 RPM 5/8" Solid Shaft 4 RollerHypro 4101C 4 Roller Cast Iron Pump Port size: 3 4" NPT Max PSI: 150 (10. 3bar) Max Flow: 7. 2 GPM (34. 4 LPM) Max RPM: 2600 5 8" (15. 9mm) Solid shaft Max. fluid temperature: 140F 60C Housing: Cast Iron (C) Pump shaft rotation: Clockwise when looking at the shaft end Rollers: Super Rollers standard Shaft Seals: Viton standard Special torque arm and base kit is available for gas engines Rotor: Cast Iron Weight: 5 lbs. 2. 3 kg