Global Gears Information

Gear Applications
Gears Types
Axel Positioning Gears
Gear Material
Gear Drives
Gear Drive Classification
Gear Accessories
Gear Resources

SIC Codes for Gears



Industry Group 356: General Industrial Machinery And Equipment
3566 Speed Changers, Industrial High-Speed Drives, and Gears


Establishments primarily engaged in manufacturing speed changers, industrial high-speed drives, except hydrostatic drives, and gears. Establishments primarily engaged in manufacturing automotive power transmission equipment are classified in Industry 3714; those manufacturing aircraft power transmission equipment are classified in Industry 3728; and those manufacturing industrial hydrostatic drives (transmissions) are classified in Industry 3594.

  • Drives, high-speed industrial: except hydrostatic
  • Gearmotors (power transmission equipment)
  • Gears, power transmission: except motor vehicle and aircraft
  • Reducers, speed
  • Reduction gears and gear units for turbines, except automotive and
  • Speed changers (power transmission equipment)
  • Speed reducers (power transmission equipment)
  • Torque converters, except motor vehicle




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