**Product Details:** - 4-Cylinder Gear-Reduced High-Pressure Diaphragm Pump - Includes 31 HP Vanguard Engine - Made by UDOR - DELTA-170 GR1-1/8 Pump Type - 1 1/8” Shaft - 47.3 GPM - 725 PSI - 550 RPM - 1-1/2” Hose Barb Inlet Port - (2) 1/2” Hose Barb Outlet Ports - 1” Hose Barb Bypass - Diaphragm Made From GREENTECH - Anodized Aluminum Internal Manifold - Liquid Handling Parts Made From Anodized Aluminum and Stainless Steel - Comes With Control Unit With Pressure Gauge and Mounting Rails