Photograph the complete accessible label
Provide a readable image of the emissions label where safely accessible. Preserve the full wording, model-year information and identifying codes. Label the image as engine emissions information rather than the generator-set plate. Do not replace missing text with an assumed tier based only on the equipment’s age.
Keep engine-family information distinct
EPA uses a family identifier to group engines or vehicles for certification purposes. Record any family identifier exactly as shown and keep it separate from the individual engine serial number. A family code should not be entered as the unique serial of the generator being offered.
Match supporting documents carefully
If certification or manufacturer records are available, identify how they connect to the installed engine and its configuration. Disclose known engine replacement or modification history and missing records. Do not assume a document for a similar engine proves the status of the specific equipment in your listing.
Avoid a blanket approval claim
Provide the evidence to the buyer for review with its qualified advisers and the relevant authorities for its intended use. Do not advertise universally permitted operation or assume that an earlier site’s arrangements transfer to a new location. Keep unresolved questions visible in the package and offer conditions.
Reference: EPA: engine and vehicle family naming information