The Viper AS5160 are highly productive walk-behind automatic scrubbers with battery and tank capacity to clean for hours. With a working width of 20" and a tank capacity of 16 gallon these machines will get the job done fast and easy. The machines are well balanced and easy to maneuver thanks to large main wheels and strong supporting casters. Pad driver, 31" squeegee assembly. Vacuum (inch/H20): 1200. On board charger: 10A, 100V~240V. Brush speed/Pressure: 150 rpm/60 lb. Vacuum motor: 350W; Brush motor: 450W; Volt: 24V. Solution/Recovery tanks: 16 Gal./16 Gal.