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Twin Disc torque converters minimize engine lugging and stalling and permit engines to operate within their most efficient speed range, producing rated horsepower regardless of load demand.

By transmitting torque entirely through fluid mass in motion, mechanical connection is eliminated. Twin Disc torque converters minimize or eliminate entirely the need for shifting, clutching or declutching. The result is more accurate control.

To meet the requirements of diesel installations from 22 to 2610 Kw (30 to 3500 hp), Twin Disc has a complete line of single-stage hydraulic torque converters, both stationary and rotating housing, as well as three-stage hydraulic torque converters (HTC) in a wide range of types, sizes and capacities with a broad variety of input and output combinations.

  • Twin Disc builds a complete line of single-stage rotation housing hydraulic torque converters, including the 1100, 1300, 1400, 1450, 1500, 1600, 1700, 1750, 1800, 1850, 2100 and 2500 Series models. 

    Power ranges from 30 to 1529 kW (40 to 2050 hp). The 381 mm (15 in) size is designed for industrial service, meaning that it is capable of a chain drive off the output shaft.

    All other sizes are limited to in-line drives only and are used primarily for vehicle applications.


  • Twin Disc offers three models of three-stage hydraulic torque converters with 30 distinct capacities. The 10,000 Series three-stage converter is rated for applications up to 250 kW (335 hp) @ 2400 rpm; the Standard-Duty 11,500 Series to 313 kW (420 hp) @ 2200 rpm; and the Heavy-Duty 11,500 Series to 436 kW (585 hp).

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