Gear Drives

Gearing Products

Gearing Overview

Boston Gear, Nuttall Gear and Delroyd Worm Gear are industry leaders in the design and manufacture of quality gearing solutions and related power transmission components. These global Altra brands apply the latest energy-efficient gearing technologies to meet the most challenging customer drivetrain requirements while providing the lowest possible cost of ownership. Robust Altra gearing solutions are utilized in a wide range of key markets including metals, food & beverage, energy, wastewater, pulp & paper, textile, oil & gas, and material handling.


  • Worm Gear
  • Concentric Helical
  • Loose Gearing
  • High Speed
  • Parallel Shaft
  • Right Angle
  • Torque Limiters
  • Custom Engineered Products