Power Build Limited manufactures Helical Inline Gear Reducer. Power Build Limited is the manufacturer and exporters of geared motors. Helical Inline Gear Reducers have co-axial input and output shafts and an input shaft can be driven by any prime mover. They are available in foot, flange, foot cum flange and hub type construction. The Helical Inline Gear Reducers are available with manufacturing range 0.16 to 125 HP along with reduction ratio up to 3385.