Briggs and Stratton 900 Series™ OHV Engine - 9.00 ft -lbs gross torque - 206cc. Heavy-Duty Axial Cam Pump with Easy Start™ Technology is smooth starting and maintenance free. ProjectPro™ Nozzle System - A nozzle designed for each project type (Delicate, General, Max, Soap). Cleaning Detergent Injection System applies soap during low pressure spraying for more effective cleaning. Extra long 30-foot hose for extended reach. 10-inch Never Flat Wheels for puncture resistant mobility over any terrain.