2017 Edition

national industry 333613

Mechanical Power Transmission Equipment Manufacturing


This U.S. industry comprises establishments primarily engaged in manufacturing mechanical power transmission equipment (except motor vehicle and aircraft), such as plain bearings, clutches (except motor vehicle and electromagnetic industrial control), couplings, joints, and drive chains.

The immediate parent of national industry 333613 is international industry 33361: Engine, Turbine, and Power Transmission Equipment Manufacturing

2017 NAICS Edition Cross References

  • Manufacturing motor vehicle power transmission equipment--are classified in Industry 336350, Motor Vehicle Transmission and Power Train Parts Manufacturing;
  • Manufacturing aircraft power transmission equipment--are classified in U.S. Industry 336413, Other Aircraft Parts and Auxiliary Equipment Manufacturing;
  • Manufacturing ball and roller bearings--are classified in U.S. Industry 332991, Ball and Roller Bearing Manufacturing; and
  • Manufacturing gears, speed changers, and industrial high-speed drives (except hydrostatic)--are classified in U.S. Industry 333612, Speed Changer, Industrial High-Speed Drive, and Gear Manufacturing.


The NAICS editions in which this code was present are indicated below. In the event that a code was changed from the prior edition the equivalent value in that edition is provided for reference.

Edition Value
2002 333613 -
2007 333613 -
2012 333613 -
2017 333613 -

Standard Industrial Classification (SIC) Mappings

  1. 3568 - Mechanical Power Transmission Equipment, Not Elsewhere Classified

Insurance Industry Mappings

The US Property and Casualty Insurance Industry may use the following classification descriptions which might encompass national industry 333613, Mechanical Power Transmission Equipment Manufacturing:

  1. bearing manufacturing
  2. bearing manufacturing insd design prod not critical part of aircraft or military related equipment
  3. bearing manufacturing prod is critical part of aircraft or military related equipment
  4. bearing manufacturing spec of other prod not critical part of aircraft or military related equipment
  5. engine turbine and power transmission equipment manufacturing
  6. machinery manufacturing
  7. machinery not otherwise classified heavy hazard
  8. machinery not otherwise classified light hazard
  9. machinery not otherwise classified manufacturing or proc
  10. machinery not otherwise classified medium hazard
  11. machinery or machinery part manufacturing
  12. machinery or machinery part manufacturing not otherwise classified
  13. manufacturing
  14. mechanical power transmission equipment manufacturing
  15. mechanical power transmission equipment not otherwise classified


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