No more tiresome bike cleaning! Clean the wheels of locomotives and rolling stock quickly and without scratches. The Roto Wheel Cleaner cleans all wheels at once and quickly. The wheel cleaner is operated via a transformer or the track and works with both analog (DC) and digital (DCC) control systems. The Roto Wheel Cleaner is suitable for locomotives up to 16.1 cm (6 3/8 ') and rolling stock up to 12.7 cm (5').