Motor Vehicle Body & Trailer Manufacturing
Key Figures
Figures are published for NAICS 33621 directly.
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Official definition
This industry comprises establishments primarily engaged in (1) manufacturing motor vehicle bodies and cabs or (2) manufacturing truck, automobile and utility trailers, truck trailer chassis, detachable trailer bodies, and detachable trailer chassis. The products made may be sold separately or may be assembled on purchased chassis and sold as complete vehicles. Motor homes are units where the motor and the living quarters are contained in the same integrated unit, while travel trailers are designed to be towed by a motor unit, such as an automobile or a light truck.
Source: US Census Bureau, 2017 NAICS Definitions. Public domain.
Illustrative examples
- Bodies and cabs, truck, manufacturing
- Camper units, slide-in, for pick-up trucks, manufacturing
- Motor homes, self-contained, assembling on purchased chassis
- Pick-up canopies, caps, or covers manufacturing
- Semi-trailers manufacturing
- Travel trailers, recreational, manufacturing
Which code does this activity belong in?
Code 33621 covers establishments manufacturing motor vehicle bodies, cabs, and trailers as separate products or as complete vehicles assembled on purchased chassis. The boundary with Motor Vehicle Manufacturing lies in the chassis: code 33621 manufactures bodies and trailers independently or combines them with bought chassis, while Motor Vehicle Manufacturing produces the integrated body-chassis unit itself. Code 33621 also differs from Motor Vehicle Parts Manufacturing, which covers individual components like engines, electrical systems, and brake parts rather than complete structural units like bodies and trailers.