... installation 2.Standardization,multispecies 3.Price is negotiable R series gear box Specificationsgear reducer:Features small ... through coupling flange.1.4 Speed reducing ratio two-stage 5-24.8, three-stage 27.2 ... RR can reach 18125.1.5 Average efficiency two-stage 96%, three- stage 94%, and combination ... of RR 85%.R series gear box,gear reduction boxes,helical gear box R series gear box