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Class Code Information


Automobile, Bus, Truck or Trailer Body Mfg. – Riveted or Welded

Includes automobile, bus, truck or trailer body repair or service.  Code 3823 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 3823 applies to employers engaged in manufacturing automobile, bus, truck, and trailer bodies and other items listed below that involve riveting and welding processes. 

The employer may receive the parts from others or fabricate the chassis and other parts required to produce the automobile, bus, truck or trailer bodies.  Sheet metal is cut to size according to specifications which will then be riveted and welded to form the body.  All parts are assembled to produce the automobile, bus, truck or trailer bodies. 

Also, included under the scope of this classification is the repair or service of automobile, bus, truck and trailer bodies.  The employer’s customers will drop off their automobile, bus, truck or trailer that requires repair or service.  Sections of the body that need to be repaired are removed and replaced with new sections that the employer will fabricate.  The fabrication involves cutting sheet metal to size, riveting and welding the section to the existing body.

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

• Cargo containers – metal – shop repair only   
• Sprinkler trucks for street washing 

Operations to be Separately Rated

  1. Automobile, bus, trailer and truck body Not Otherwise Classified (NOC) including die pressed steel.  Refer to Code 3824 “Automobile, Bus, Truck or Trailer Body Mfg. – NOC.”

Industry Group

All Other Manufacturing