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Class Code Information


Automobile, Bus, Truck or Trailer Body Mfg. – NOC

Includes bus, truck or trailer body repair or service. 

Code 3824 and Code 3808 “Automobile Mfg. or Assembly,” shall not be assigned to the same employer unless the operations described by these classifications are conducted as separate and distinct businesses.


Code 3824 applies to employers engaged in automobile, bus, trailer and truck body manufacturing with bodies made of die pressed steel.  The chassis and other parts required to produce the automobile, bus, truck or trailer bodies may be received from others.  The term “die pressed” refers to stamped auto body parts such as doors, fenders, and hoods.  These die pressed parts are formed by forcing sheet metal into contact with a die that is the exact configuration of the part that is formed. 

The process of body manufacturing may consist of lumber being cut to size, planed, shaped, turned, sanded, bored, tongued and grooved, fitted and assembled to form the body frame.  Iron or steel shapes are cut, heated, bent, and forged into shape, countersunk, drilled, fitted and bolted to the wood frame to brace and strengthen it.  The whole body is then mounted and bolted to the chassis.       

Occasionally, sheet metal or iron is cut and screwed to parts such as the tail board and the back of the driver’s seat or to a side section, for reinforcement purposes.  Glass is mounted into channel iron that has been cut and shaped into windshield frames and bolted and screwed to the body.  Chains and hooks are attached to the rear platform or tail board and hinges or other hardware are nailed or screwed to openings or doors. 

This classification also applies to employers that repair or service bus, truck, or trailer bodies that are made of die-pressed steel.  Repair or service as used in this sense refers to replacing nonmechanical parts or forming, trimming and finishing the parts to be replaced and welding the parts into position.

Assignment by Analogy

No Information

Operations to be Separately Rated

  1. Automobile, bus, truck or trailer body manufacturing – riveting and welding processes.  Refer to Code 3823 “Automobile, Bus, Truck or Trailer Body Mfg. – Riveted or Welded.”


Industry Group

All Other Manufacturing