SEW-EURODRIVE "S" Series helical-worm gear units are helical/helical-worm combinations. These worm gearmotors can be used in industrial applications and tailored to individual torque and speed requirements. Features include gear unit reduction ratios of 6.8 to 288, output torque of 380 to 35,400 in-lbs, and a motor power range of 0.12 to 22 kW.