Briggs and Stratton 20451 Pressure Washer 3000 PSI. Great for large jobs, frequent use. Powered by a Briggs and Stratton Professional Series OHV engine. Combined with a maintenance-free axial cam pump, this Standard Series unit provides reliable cleaning power. Key Features: Cleans up to 120 sq.-Feet in 10 minutes; 3000 PSI, 2.7 GPM; Ideal for garage floors, decks/patios, driveways, siding and second stories. All Terrain Wheels, Maintenance Free Axial Cam Pump with Easy Start Technology, Ready Start, Detergent Injection System, 4 Quick-Connect Spray Tips, 30-Feet High Pressure Hose. PSI: 3000 MAX, GPM: 2.7 MAX, Professional Series