... for floor machine Different ratios, namely 9.8:1,8:1 Gearbox is mainly used for floor machine, low ... can be made for different ratios, namely 9.8:1.Inside the gearbox, it is designed with planetary gears ... .It works well because the high performance steel gears are used.The shells of the ... , there's 2-gear and 3-gear mounting. high quality gearbox for carpet cleaning mchine