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Vehicle and Engine Certification

Heavy-Duty Highway Trailers: Family Naming Conventions

To determine Positions 1-4 of your Engine Family name, see:

Use the table below to create Positions 5-12:

Location in Family Name Code/Value Description or Instructions
Position 5 3 Industry sector code for "Heavy-Duty Highway Trailers"
Positions 6-9 TRLR Trailer
Positions 10-12 *** Enter any combination of valid characters in order to provide a unique identification for your family name.