Description: 1.The reducer can be solid output, hollow output with stright key and hollow output with shrink disc for 2 stages, 3 stages and 4 stages. 2.Three kinds of inputting types, six installation faces and eight installation position.Backstop can be fixed to achieve rotating in single direction.Hight power generators can be equipped to achieve high capacity Ratio: 2 stages:6~14 3 stages:16~50 4 stages:56~355