4000PSI 3.4 GPM Power Washer Model: 6230 With a powerful OHV horizontal shaft engine and industrial-grade triplex pump, this 4000PSI power washer easily cleans tough surfaces like pavement, masonry and concrete, as well as quickly removing scale, lime, calcium deposits and more. FEATURES: ? Industrial-grade triplex pump ? Industrial-grade spray gun ? Quick-Click? nozzle tips ? 13" wheels ? Powerful 404cc Subaru OHC horizontal shaft engine ? 3/8" x 50' steel-reinforced rubber hose ? Durable heavy-duty style frame ? User-friendly controls ? Pressure control valve