NorthStar | 1571343, Pressure Washer, 4000 PSI, 5 Gpm, E420NorthStar Pressure Washer, 4000 PSI, 5 Gpm, with E420 Engine Introducing the NorthStar Pressure Washer, equipped with a powerful e420 420cc engine that's been tested for 1000 hours by an independent authority. Easily blasts through dirt and debris on various surfaces with its 4000 PSI and 5 Gpm capabilities. Compact design and large flat free tires for convenient storage and portability. Model: 1571343 Features: NorthStar e420 420cc engine verified