Briggs & Stratton 20505 2.8-GPM 3400-PSI Gas Pressure Washer with 1150 Series OHV 250cc Engine and Axial Cam Pump, Engine Oil Included For outdoor cleaning projects including washing cars, patio furniture and driveways 1150 Series OHV 250cc Engine produces 11.50-foot-pounds of gross torque to power through your weekend projects Detergent injection system that infuses cleaning solution into the water stream for a faster, easier cleaning experience 68-pound assembled weight and never go flat wheels easy to maneuver in the backyard or around the house 2-year limited warranty. Number of Spray Nozzles: 4