Speed Reducer, Input Connection Type C-Face, Gear Type Worm, Output Shaft Type Hollow, Maximum Output Speed 172 RPM, Motor Frame Designation 56C/140TC, Worm Center Distance 1.75 in, Base to Center 2.13 in, Gear Ratio 10:1, Rotation CW/CCW, Maximum Input Horsepower 1.5 hp, Maximum Output Torque 507 in-lb, Overhung Load Capacity 650 ft-lb, Mounting Orientation Any Angle, Housing Material Cast Iron, Housing Material Finish Epoxy Coating System