Complete Heavy-Duty Highway Vehicles (Tractors and Vocational Vehicles >14,000 pounds GVWR): 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 | 2 | Industry sector code for all "Complete Heavy-Duty Highway Vehicles (tractors and vocational vehicles >14,000 pounds GVWR) " |
| Positions 6-9 | VOCV | Vocational vehicle |
| TRAC | Tractor | |
| Positions 10-12 | *** | Enter any combination of valid characters in order to provide a unique identification for your family name. |
Note:
- Vocational tractors subject to the provisions of 40 CFR §1037.630 remain part of the vocational regulatory subcategory. Family names for these vehicles should reflect the vehicle type "Vocational Vehicle".
- This also includes heavy-duty highway vehicles at or below 14,000 pounds GVWR that are not tested on a chassis-dynamometer for certification under 40 CFR Part 1037 (i.e., certified to the requirements and standards of §1037.105, per §1037.104(f)).