(180) NEMA 56C Gear Reducers for 1/2 HP and 1 HP motors. The inline gear reducers feature die cast aluminum housings making them lightweight with gears made of chromium molybdenum steel that has undergone precision carbonitriding. The Helical gears out-perform traditional spur gears by a great margin. The right-angle gear reducers feature hypoid gears made of hardened steel providing far superior wear life compared to worm gears. All NEMA 56C gear reducers use a high-quality synthetic grease that does not require maintenance saving valuable setup and maintenance time compared to other gear reducers.