Hayward Gordon 4" screw centrifugal pump, model XCS4-A, serial number 287652, 4" flanged infeed with 4" Tri-Clover adapter, 4" flanged discharge, rated for 180 GPM at 60 feet head pressure, 7-1/2 HP electric motor belt drive with gear reduction, 1760 RPM, wired 575/3/50, 25% speed reduction, all stainless steel construction.