Includes
Semitrailers; Semitrailer Dollies; Cargo Trailers; Passenger and House Trailers; Special Purpose Trailers, such as Ammunition.

Excludes
Fire Fighting Trailers; Specially designed trailers for use in and around airfields, hangars, and warehouses.

Notes
This class includes only complete trailers, and chassis therefor. Any end items, assemblies, parts, attachments, or accessories, other than complete chassis, for use in or on trailers are classified in classes other than this class. The combined chassis and body of a special purpose trailer, such as a machine shop, mobile laundry, or dental laboratory, is classified in this class. The complete mobile unit, consisting of chassis, body, and additional equipment, as in an equipped trailer-mounted machine shop, is excluded from this class.

Possible NAICS Codes
336212 – Truck Trailer Manufacturing
336214 – Travel Trailer and Camper Manufacturing
333924 – Industrial Truck, Tractor, Trailer, and Stacker Machinery Manufacturing
336211 – Motor Vehicle Body Manufacturing
336110 – Automobile and Light Duty Motor Vehicle Manufacturing
333120 – Construction Machinery Manufacturing
532120 – Truck, Utility Trailer, and RV (Recreational Vehicle) Rental and Leasing
336999 – All Other Transportation Equipment Manufacturing
441210 – Recreational Vehicle Dealers
321991 – Manufactured Home (Mobile Home) Manufacturing