Applications: Floor Scrubbers Floor polishing machine Low Speed Scrubbers Dual Speed Scrubbers Wheel Drive Gearbox ... Ratios of 11:1,10:1, 8:1,7:1,5:1, as requirement2).3 Planet gears to match your ... hunter tooth design for long life and quiet operation.5).The gear is heat treated and has the largest bearing journals ... gearbox have two years warranty China 2013 for floor polishing machine gear box