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Motorized Torque-Arm (MTA)

Dodge MTA reducer

Compact, space saving design

Dodge MTA reducer

Rugged, case carburized helical and bevel gearing

Dodge MTA reducer

Easy to install and built to last

With 60 years of proven dependability and more than 1.8 million units in service throughout the world, Dodge Torque-Arm speed reducers are the standard of the industry and the benchmark to which others are compared. Responding to overwhelming customer demand, we have now introduced a line of HEAVY DUTY right angle beltless Torque-Arm reducers for customers who need the power and performance of a truly rugged gearbox for more demanding applications. The Dodge MTA gear reducer features the patented Dodge twin-tapered bushing system that makes it easy to mount and dismount with no corrosion or shaft damage.  Also available as a motorized screw conveyor drive with an adapter and drive shaft. Designed to perform in harsh conditions, the MTA has a patented premium sealing system to ensure maximum up-time with less maintenance.


  • 7 case sizes
  • Ratings from 3 - 100 Hp (1.5 to 75 kW)
  • Torque rating up to 130,000 lb-in (14,700 Nm)
  • Nominal ratios range from 18 - 80:1
  • Third-party ATEX certified
  • Meets or exceeds AGMA standards
  • Heavy duty dual sealing system is standard for maximum protection in harsh environments
  • Compatible with both synthetic and mineral oil with or without extreme pressure (EP) additives
  • Utilizes twin tapered bushings to allow for easy-on / easy-off mounting which increases operating time
  • Compatible with field installed backstop to maximize safety in all applications and industries
  • Standard Screw Conveyor Adapter and drive shaft
  • Standard TA II torque arm rod kits

Common applications

  • Apron feeder
  • Belt conveyor
  • Bucket conveyor
  • Drag conveyor
  • Ribbon mixer
  • Roller bed
  • Screw conveyor
  • Vibratory feeder

Common industries

  • Aggregates
  • Mining
  • Cement
  • Asphalt
  • Grain
  • Mixing and milling
  • Oil and Gas - Ethanol
  • Water and Wastewater
  • Forest Products

Key documents / links

Related links

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