Torque Multiplier, Max. Rated Input 154 ft-lb, Max. Rated Output 8,000 ft-lb/ OVERALL LENGTH: 15.188 INCHES NOMINAL OVERALL HEIGHT: 10.750 INCHES NOMINAL OVERALL WIDTH: 5.812 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: 60 TO 1 SPECIAL FEATURES: 154 FT-LB MAX INPUT TORQUE; 8000 FT-LB MAX OUTPUT TORQUE; 3 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 SUPPLEMENTARY FEATURES: INDUSTRIAL QUALITY (IQ) TOOLS PROGRAM ITEM