... reverse gearbox 1.Outline dimension:52,78,98,125mm 2.Ratio:3-81 3.customized products flender forward reverse gearboxFeatures:Reduction ratio1 stage ... types2 stage types3,4,5,6,7,8,9,1015 ... your selection(3,4,5,6,7,8,9,10 for one stage).We can get more ... Certification:Our factory: flender forward reverse gearbox