Max flow: 22.5 GPM. Max pressure: 300 PSI. Max RPM: 1000. Port sizes: 3/4" NPT. Pump shaft rotation: CCW. Housing: Silver-cast. Rotor: Silver-cast. Roller material: Super rollers standard, Poly and Teflon available. Roller quantity: 8. Shaft seals: Viton standard, Buna available. Shaft: 15/16" solid stainless steel. 12 GPM/45.4 LPM at 540 RPM. 22.5 GPM/85.2 LPM at 1000 RPM. Max fluid temperature: 140°F. 449-7560XL & 7560XL 8 Roller Silver Edition Pump 7560 Series Silver Hypro 7560XL Silver Series 8-Roller Pump with economical Cast Iron Housing. Adaptable to PTO, gasoline, or electric motor drives. Self-priming (do not run roller pumps dry). 3/4" NPT Port Size 15/16" Shaft Size 300 PSI max ;100 PSI max Continuous 22.5 GPM max @ 1200 RPM 12 GPM @ 540 RPM