Reduction Ratio : 3 to 7000 : 1, Rated Torque : 0.5 Kg-m to 145000 Kg-m, Input Power 0.25 HP to 300 HP, Input Speed 1440 RPM, Prime Mover Electric Motor, Hydraulic Moto, Input Type Free Input, Hollow Input, Output Type Free Output, Hollow Output, Spline Shaft.