Dodge® Torque-Arm® (TXT) is a shaft mount helical gear reducer that mounts directly to the driven shaft. TXT is a proven gear reducer that can be installed in the toughest applications requiring long life. Many accessories are available to make this reducer suitable for a wide range of environments. Dodge® Torque-Arm® Speed Reducer, Series: TXT, 24:1 Gear Ratio, Taper Bushing Output, 1823 RPM Input Maximum Speed, 98.5 % Efficiency, Shaft Mount, Ductile Iron