What is EFN number?

What is EFN number?

The EFN is a number given to your specific engine. The EFN identifies the engine, and in turn the vehicle’s emissions. Your vehicle’s EFN is located under your hood on the Vehicle Emissions Control Information (VECI) label. Depending on your make and model, the VECI label can be mounted in several possible locations.

Where is the EFN number located?

Your vehicle’s EFN is located under your hood on the Vehicle Emissions Control Information (VECI) label. Depending on your make and model, the VECI label can be mounted in several possible locations. Typically, the label can be found on the actual underside of the hood or on the fender well.

How to find your Caterpillar engine serial number?

Caterpillar Serial Numbers, Prefix Identification – Depco Power Systems Find your Cat model by using this serial number prefix guide to easily identifyyour engine. Sorted for generators, industrial, marine and trucks Find your Cat model by using this serial number prefix guide to easily identifyyour engine.

Where can I find the engine family number?

This Engine Family Number is on a plate on the valve cover. A new plate is ordered the same way you order a new CertifiedClean Air sticker. I found it on a sticker on the engine.

What do test group and engine family numbers mean?

Equity Locating vehicle “Test Group” or “Engine Family” Number All vehicles sold in the United States have a unique drive-train identifier called the “Test Group” or “Engine Family” Number. This number allows owners, parts suppliers, and service providers to determine specifications and installed emissions control equipment of motor vehicles.

What does the family name on an engine mean?

The engine family name is an identifier assigned by the U.S. Environmental Protection Agency (U.S. EPA) to every engine verified to Tier 1 emission standards or higher. Engine standards were implemented in the mid-1990s. Engines without a standard are considered Tier 0 engines, and will not have an engine family name.