Profile: Superior Gearbox Co. manufactures high quality gear drives and transfer cases for power transmission systems serving all types of industries. Our products include worm gear speed reducers, v 210 series, w260 series and I 260 series. Our superior aluminum split case design provides significantly lower weight and improves heat dissipation. Our ribbed aluminum housing provides expanded surface area & greater heat dissipation than traditional cast iron housings and increases the thermal capacity & reduces the internal pressure build-up.