We Sgct Manufacturing The Gear Box Single & Double Reduction Which Depend Upon The Motor Capacity In Kw(Hp)Single Reduction : One Reduction Ranges From Ratios Of 2:1 To 5.5:1. Power Ranges From 7 Hp (5.2 Kw) Up To 60 HpDouble Reduction : Double Reduction Gearbox Is The Perfect Choice. Reduction Ratios Range From 7.5:1 To Over 20:1. Power Ratings Start At 60 Hp (45 Kw) And Exceed 500 Hp (375 Kw).