Work Pro 3000 psi (pounds per square inch) at 2.3 GPM (gallons per minute) cold water gasoline direct drive, 187 cc (cubic centimeter) Honda GC190 OHV (overhead valve) engine. Mi-T-M Axial Piston Pump has brass manifold, thermal relief valve, in-line strainer, and built-in low pressure detergent injection. The frame is powder coated welded steel. Unit includes 25 Ft. x 3/8 In. ID (inside diameter) wire braided pressure hose, professional-grade insulated trigger gun with safety lock-off. Limited warranties: Honda Engine 1 year residential/3 months Commercial, Pump 1 year.