This beast delivers a whopping 4,000 PSI at 3.5 GPM ... First and foremost, consider the washer’s PSI. Power washers run a pump that pressurizes the water from your garden hose to 1,000 pounds ...

@sixtyfiveford is putting together a 4,000 PSI, 4 GPM pump and a 13 HP Honda ... Keep in mind that you are building a top-notch power washer; if all you need is a basic consumer model, the ...