4101XL-E2H Four Roller Pump Silver Series XL 12V DCSuper Rollers and Viton seals standard Locking collar and torque arm come in each package Rotor: Silvercast (XL) Weight: 16 18 lbs. 7. 3 8. 2 kg Port size: 3 4" NPT Max. fluid temperature: 140F 60C Housing: Silvercast (XL) Rollers: Super Rollers standard [Poly (T3) and Teflon (T2)] Shaft Seals: Viton standard Rotor: Silvercast 4101XL E2H Specifications Max Gpm: 5. 9 Max LPM: 22. 3 Max PSI: 90 Max Bar: 6. 2 Max RPM: 1600 Shaft Output: 1 2: 12. 7 mm