High-strength steel gears and a grade cast iron casing are standard features of our inline helical gearbox . They are compatible with the inline helical gear motors from Optigears. A DC or AC power source can be used to power these motors. Being a leading manufacturer of inline helical gearboxes and gear reducers, we are aware of the benefits of in-line transmission and the efficiency it ensures. Our inline helical motors and gearboxes are very simple to maintain and replace.