Torque Multiplier, Max. Rated Input 189 ft-lb, Max. Rated Output 5,000 ft-lb/ OVERALL LENGTH: 14.906 INCHES NOMINAL OVERALL HEIGHT: 8.750 INCHES NOMINAL OVERALL WIDTH: 5.375 INCHES NOMINAL DRIVE SURFACE SIZE: 0.500 INCHES NOMINAL FIRST END DRIVE SURFACE SIZE: 1.500 INCHES NOMINAL SECOND END DRIVE END SHAPE: SQUARE FIRST END INTERNAL DRIVE END SHAPE: SQUARE SECOND END EXTERNAL GEAR RATIO: 29.25 TO 1 SPECIAL FEATURES: 189 FT-LB MAX INPUT TORQUE; 5000 FT-LB MAX OUTPUT TORQUE; 2 STAGE PLANETARY GEAR SYSTEM; REACTION PLATE WITH SLAVE DRIVE; SELF-CONTAINED, 3 POSITION ANTI-BACKLASH DEVICE MATERIAL: STEEL OVERALL SURFACE TREATMENT: OXIDE OVERALL STYLE DESIGNATOR: 137 GEARED