20:1 Ratio Cast Iron Worm Gearbox with 180TC Flange, 1.375" Right Side Solid Output Shaft, 3.2" Center Distance Description QC732 S/R RED. 20: 1 RATIO, NO BASE, 'J' ASSY Reduction SINGLE Output Shaft PROJECTING O/P Base NO BASE Input Style COUPLED Fan Cooled Rating? NO Output RPM @1750 87. 5 Ratio 20 Shaft Assembly Code J Torque Cap (LB-IN) 2340 Bore Code B9 - 180TC/210C Motor HP (Class I) 3 Flange Yes