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Engine Certification Data

Examples of nonroad engines
Verify Compliance Information System

Verify: EPA's Engine and Vehicle Compliance Information System is now online. Learn more about Verify.

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Search the Document Index System (DIS) database to find:

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Description of the four file types to download.

To read files on this page, you might need:Exit EPA Disclaimer

This page provides certification data from various engine manufacturers for past and current model years.

Please contact us if you require accessibility help for these files

Certification data on this page

Information on certifying engines and vehicles with EPA:

Large Engine (On-Highway and Nonroad Compression-Ignition) Certification Data

1998 Model Year

1999 Model Year
(last updated 1/23/02)

2000 Model Year
(last updated 1/23/02)

2001 Model Year
(last updated 1/17/02)

2002 Model Year
(last updated 12/11/02)

2003 Model Year Engine Family and Models & Parts Information (Zip file with FileMaker Pro 5 and Excel formats) (5.3M, February 2004)

2004 Model Year Engine Family and Models & Parts Information (Zip file with FileMaker Pro 5 and Excel files) (5.4M, March 2005)

2005 Model Year Engine Family and Models & Parts Information (Zip file with FileMaker Pro 5 and Excel files) (3.6M, March 2006)

2006 Model Year Engine Family and Models & Parts Information (Zip file with FileMaker Pro 5 and Excel files) (3.9M, January 2007)

2007 — 2009 Model Year Engine Family and Models & Parts Information (Zip file with FileMaker Pro 7 and Excel files) (29M, October 2008)

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Nonroad Small Spark-Ignition Engine Certification Data

1997 Model Year

1998 Model Year

1999 Model Year
(last updated 1/23/02)

2000 Model Year
(last updated 1/23/02)

2001 Model Year
(last updated 1/17/02)

2002 Model Year
(last updated 12/11/02)

2003 Model Year Engine Family and Models & Parts Information (Zip file with FileMaker Pro 5 and Excel files) (1.1M, September 2003)

2004 Model Year Engine Family and Models & Parts Information (Zip file with FileMaker Pro 5 and Excel files) (2.5M, March 2005)

2005 Model Year Engine Family and Models & Parts Information (Zip file with FileMaker Pro 5 and Excel files) (1.9M, March 2006)

2006 Model Year Engine Family and Models & Parts Information (Zip file with FileMaker Pro 5 and Excel files) (2.4M, January 2007)

2007 — 2009 Model Year Engine Family and Models & Parts Information (Zip file with FileMaker Pro 7 and Excel files) (2.4M, October 2008)

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Marine Spark-Ignition Engine Certification Data

1998 Model Year

1999 Model Year
(last updated 1/23/02)

2000 Model Year
(last updated 1/23/02)

2001 Model Year
(last updated 1/17/02)

2002 Model Year
(last updated 12/11/02)

2003 Model Year Engine Family and Models & Parts Information (Zip file with FileMaker Pro 5 and Excel files) (394K, September 2003)

2004 Model Year Engine Family and Models & Parts Information (Zip file with FileMaker Pro 5 and Excel files) (620K, March 2005)

2005 Model Year Engine Family and Models & Parts Information (Zip file with FileMaker Pro 5 and Excel files) (520K, August 2005)

2006 Model Year Engine Family and Models & Parts Information (Zip file with FileMaker Pro 5 and Excel files) (422K, March 2006)

2007 — 2009 Model Year Engine Family and Models & Parts Information (Zip file with FileMaker Pro 7 and Excel files) (800K, October 2008)

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Marine Large Compression-Ignition Engines Certification Data

2004 Model Year Engine Family and Models & Parts Information (Zip file with FileMaker Pro 5 and Excel files) (740K, March 2005)

2005 Model Year Engine Family and Models & Parts Information (Zip file with FileMaker Pro 5 and Excel files) (765K, March 2006)

2006 Model Year Engine Family and Models & Parts Information (Zip file with FileMaker Pro 5 and Excel files) (825K, January 2007)

2007 — 2009 Model Year Engine Family and Models & Parts Information (Zip file with FileMaker Pro 7 and Excel files) (1.2M, October 2008)

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Snowmobile Spark-Ignition Engines Certification Data

2004 — 2009 Model Year Engine Family Test Information (Zip file with FileMaker Pro 7 and Excel files) (900K, October 2008)

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Locomotive Compression-Ignition Engines Certification Data

2002, 2003, 2004, & 2005 Model Year Engine Family Information, Certification Test Results, Notch Data, Models and Parts Information (Zip file of Excel file) (19K, February 2006)

2006 & 2007 Model Year Engine Family Name, Certification Test Results, Useful Life Information (Zip file of Excel file) (19K, April 2007)

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Large Spark-Ignition Engines Certification Data

2004 & 2005 Model Year Engine Family Information, Certification Test Results, Models, and Parts Information (Zip file of Excel file) (29K, February 2006)

2006 & 2007 Model Year Engine Family Information, Certification Test Results, Models, and Parts Information (Zip file of Excel file) (31K, February 2007)

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For database questions, contact Foster Morrison (morrison.foster@epa.gov),  telephone: 202-343-9298

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Descriptions of the four file types to download on this page

Engine certification data are available in the following electronic file formats

Model Year 2003 and Later Format

To obtain the FileMaker Pro and Excel formats for a particular model year, download the file with the *.zip extension.

******YY.zip - This file contains a FileMaker Pro file and an Excel file that is identical to the information that is available to the public.
Note: The asterisks identify the industry. The double Y's represent the model year.

Model Year 2002 and Earlier Format

To obtain the FileMaker Pro format for a particular model year, download the file with the *.zip extension.
To obtain the Lotus format for a particular model year, download the three files with the *.wk1 extension. The four different files that you may need to download for engine certification information are:

  1. ******YY.zip - This file is a FileMaker Pro file that is identical to the information that is available to the public.
    Note: The asterisks identify the industry. The double Y's represent the model year.

    The next three files are in Lotus format and contain the same information as in the Zip file above.

  2. ***genYY.wk1 - This file is a Lotus Spreadsheet file that contains general information about engine families.
    Note: This information can be found in the family, test, and AB&T forms (if applicable.)
  3. ***modYY.wk1 - This file is a Lotus Spreadsheet file that contains engine model information.
    Note: This information can be found in the model summary form.
  4. ***prtYY.wk1 - This file is a Lotus spreadsheet file that contains part number information.
    Note: This information can be found in the part number summary form.

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