100:1 Ratio, Cast Iron Single-Reduction Worm Reducer, 0.625" Input Diameter, 1.188" Output Diameter, C-Face Quill Input, Hollow Bore Output Rating Table (@ 1.00 Service Factor) (AGMA Load Class I) Oil Input Output Efficiency% RPM HP Thermal HP RPM Torque Thermal Torque Conventional 2, 500 0.510 0.450 25 801 707 62.10% PAO Synthetic 2, 500 0.510 0.510 25 849 849 65.90% PAG Synthetic 2, 500 0.510 0.510 25 876 876 67.90% Conventional 1, 750 0.450 0.400 17.5 945 840 58.70% PAG Synthetic 1, 750 0.450 0.450 17.5 1, 032 1, 032 64.20% PAO Synthetic 1, 750 0.450 0.450 17.5 1, 001 1, 001 62.30% PAG Synthetic 1, 170 0.360 0.360 11.7 1, 173 1, 173 60.10% PAO Synthetic 1, 170 0.360 0.360 11.7 1, 138 1, 138 58.30% Conventional 1, 170 0.360 0.360 11.7 1, 073 1, 073 55.00% PAO Synthetic 100 0.054 0.054 1 1, 439 1, 439 42.20% Conventional 100 0.054 0.054 1 1, 357 1, 357 39.90% PAG Synthetic 100 0.054 0.054 1 1, 484 1, 484 43.60%