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Torque Arm Reducers | Shaft-mounted Gear Units

Supplier: EQM Industrial

The shaft mounted gearboxes are compact in size, mounting directly onto the driven shaft, eliminating the use of sprockets and couplings.

Price Guide: POA

The gears are helical, hardened and ground of alloy steels making this gearbox suitable for both forward and reverse motion. 

A torque arm anchors the gearbox and provides an easy, quick method of adjustment of V-belts by means of a turnbuckle. 

A new improved gear tooth design improves the output torque to weight ratio within the same standard gearbox range.               


  • Eleven sizes – A to L
  • Three ratios – 5:1, 13:1, 20:1
  • Keyed hollow output shafts as standard
  • Taper clamp units on request
  • Taper clamp units and support bushes made of stainless steel


  • Output hubs in stainless steels
  • Labyrinth sealing
  • Extraction collars
  • Reducing bushes
  • Safety covers
  • Hydraulic motor mounts
  • Electric motor mounts
  • Anti-roll back bush adapters


  • Redesigned gearing for higher power to weight ratio
  • Available with keyed bores or taper clamps
  • Numerous accessories
  • Interchangeable with leading brands


  • Quarry conveyors
  • Stock pile suspended conveyors
  • Mixers
  • Concrete plants
  • Portable processing equipment
  • Recycling systems
  • Soil, bark, composting handling
  • Any high torque at high speed application that can be shaft mounted

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