The Grove Gear 150:1 Ratio Speed Reducer (GRG-DXMQ-821-150-L1-56) is a C-Face speed reducer designed for a NEMA frame motor mount with a 56C frame electric motor and a 5/8" diameter shaft. This double reduction helical speed reducer has a maximum output torque of 1320 in lbs and a right-angle shaft orientation. With a nominal ratio of 60:1