The six rollers contained in the pump make it ideal for commercial, residential, farming, and agricultural applications. This self-priming pump has a peak flow of 22 GPM at 1200 RPM, making it a top performing pump for nearly all of your farming and agricultural requirements. Ace Roller Pumps are ideal for a large range of spraying, cleaning and transfer applications Benefits of these pumps : Compact , Low Cost Design Mounts directly to common tractor PTO shaft with optional PTO coupler Available in Clockwise and Counter Clockwise Ports : 3/4" x 3/4" MPT Max Flow : 21.8 GPM (82.5 LPM) Max Pressure : 300 PSI Rotation : Counter Clock Wise Speed : 540-1200 RPM Construction : Cast Iron Seals : FKM Lip Type Shaft : 5/8" Stainless Steel Rotor : Cast Iron Rollers Thermoplastic with metal core Fluid Temperature : 140°F (60°C)