CG M3212A5H20A-S M Series Type 12 IHO Style Standard Modular Speed Reducer, Solid Input, Hollow Output, 4.89 hp Input/4.24 hp Output, 20:1 Gear, 87.5 rpm Maximum Output, 3057 in-lb Torque Rating

CG Modular Speed Reducer, Type 12 IHO Style Standard, Series: M Series, 20:1 Gear Ratio, 4.89 hp Input/4.24 hp Output, Solid Input, Hollow Output, 0.875/0.8745 in Dia x 1.97 in L Worm Shaft Input, 1.9379/1.9388 in Dia Bore Hollow Output, 87.5 rpm, 1750 rpm, 3057 in-lb, 3-1/4 in Centre Distance, 3/16 x 3/32 in Worm and 1/2 x 1/4 in Hollow Keyway, PAO Synthetic Oil Lubrication, Cast Iron, 12.02 in W x 7.87 in D