Features the new innovative design with Stealth Noise Reduction Technology making it 4 times quieter than other standard automatic scrubbers. Provides maximum productivity while the exclusive one-touch Intelligent Drive Control makes operation simple. Locking head applies up to 140 pounds of head pressure. With up to 4 hours of runtime, large area day cleaning is now a reality. Brush motor: (2) 0.6 hp; Brush RPM: 170. Vacuum motor: 0.5 hp; Traction motor: 0.54 hp.