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  2. Vehicle and Engine Certification

Nonroad Compression-Ignition Engines: Family Naming Conventions

To determine Positions 1-4 of your Engine Family name, see:
  • Information about Family Naming Conventions

Use the table below to create Positions 5-12:

Location in Family Name Code/Value Description or Instructions
Position 5 L Industry sector code for all "Nonroad Compression-Ignition Engines"
Positions 6-9 XX.X or
.XXX
Engine displacement units in liters
(decimal point counts as a digit and each 'X' represents an integer)
XXXX Engine displacement units in cubic inches
(each 'X' represents an integer)
Positions 10-12 *** Enter any combination of valid characters in order to provide a unique identification for your family name.

Vehicle and Engine Certification

  • Onroad
  • Nonroad
  • EV-CIS
Contact Us about Vehicle and Engine Certification
Contact Us to ask a question, provide feedback, or report a problem.
Last updated on November 29, 2024
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