Mechanical Power Transmission Equipment Manufacturing
Key Figures
Figures are published for NAICS 333613 directly.
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Official definition
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.
Source: US Census Bureau, 2017 NAICS Definitions. Public domain.
Which code does this activity belong in?
Code 333613 covers establishments manufacturing mechanical power transmission equipment such as bearings, clutches, couplings, joints, and drive chains, excluding those designed for motor vehicles or aircraft. Producers of gears and speed changers are classified in 333612 instead, which focuses specifically on gear and high-speed drive manufacturing. Establishments manufacturing turbines or complete turbine generator sets belong in 333611, while those producing internal combustion engines themselves are classified in 333618.