40:1 Ratio, Cast Iron Single-Reduction Worm Reducer, 0.875" Input Diameter, 1.438" Output Diameter, Shaft 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 3.130 1.690 62.5 2, 392 1, 292 75.70% PAO Synthetic 2, 500 3.130 3.130 62.5 2, 536 2, 536 80.30% PAG Synthetic 2, 500 3.130 3.130 62.5 2, 614 2, 614 82.70% Conventional 1, 750 2.750 1.620 43.8 2, 906 1, 712 73.30% PAG Synthetic 1, 750 2.750 2.750 43.8 3, 176 3, 176 80.10% PAO Synthetic 1, 750 2.750 2.750 43.8 3, 080 3, 080 77.70% PAG Synthetic 1, 170 2.360 2.360 29.3 3, 909 3, 909 77.00% PAO Synthetic 1, 170 2.360 2.360 29.3 3, 792 3, 792 74.60% Conventional 1, 170 2.360 1.620 29.3 3, 577 2, 455 70.40% PAO Synthetic 100 0.380 0.380 2.5 5, 562 5, 562 58.30% Conventional 100 0.380 0.380 2.5 5, 247 5, 247 55.00% PAG Synthetic 100 0.380 0.380 2.5 5, 734 5, 734 60.10% Related Items Part Number UPC Code Type Description