Generac 6590 3,100 PSI, 2.8 GPM, Gas Powered Commercial Pressure Washer (Discontinued by Manufacturer) Pro-Grade Triplex Pump - Up to 4X longer life than axial cam pumps Powerful 212cc Generac OHV Engine - Delivers maximum cleaning performance and reliability Low-Oil Shutdown Sensor - Safeguards the engine Five Quick Click Nozzle Tips Included - 0 degree, 15 degree, 25 degree, 40 degree and soap Oversized Never-Flat Tires - Improved mobility on rugged terrain