The Aerway electric paddlewheel aerator features a direct drive Sumitomo SM-Cyclo reducer gearbox, Quik-Flex QF series gearbox to rotor coupling, and aluminum hood and floats. UHMW water bearings support each end of the rotor. Its all welded steel frame is either hot dip galvanized, or painted with Carboline 890 Epoxy. All bolts and hardware are stainless steel.