The Pressure washer Pump 3-0414 is a fully plumbed pump has a 3/4" horizontal drive pump that operates at 2.5 GPM and 3,000 PSI. This pump fits most horizontal shaft engines with a 3/4" diameter shaft that is approximately 2 inches long and operates below 7 horsepower. it has a 4 bolt pattern with holes approximately 2-1/2" apart. Features: BRAND NEW PRESSURE WASHER PUMP. 3000 PSI / 2.4 GPM - MAX 2.5 GPM FACTORY RATING. BRASS HEAD PUMP. Is a crank shaft Drive pump. INCLUDES THERMAL RELEASE VALVE. SPECS: .