Engine Certification Data
Verify Compliance Information System
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Search the Document Index System (DIS) database to find:
- Advisory Circulars
- Applications for Certification
- Certificates of Conformity
- Certificate Summary Information Reports
- Manufacturer Guidance Letters
- Verify System Documentation
Please Note
Description of the four file types to download.
To read files on this page, you might need:
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
- On-Highway Engines
- Non-road Large Compression Ignition (CI)
- Non-road Small Spark Ignition (SI)
- Marine SI
- Marine Large CI
- Snowmobile SI
- Locomotive
- Large Spark Ignition
Information on certifying engines and vehicles with EPA:
Large Engine (On-Highway and Nonroad Compression-Ignition) Certification Data
1998 Model Year
- All Engine Family Information (FileMaker Pro Format) [1227K ZIP]
- Engine Family General Information [719K WK1]
- Engine Family Model Information (WK1 Format) [787K ZIP]
- Engine Family Part Number Information [983K WK1]
1999 Model Year
(last updated 1/23/02)
- All Engine Family Information (FileMaker Pro 5 Format) [1746K ZIP]
- Engine Family General Information (WK1 Format) [434K ZIP]
- Engine Family Model Information (WK1 Format) [210K ZIP]
- Engine Family Part Number Information [969K WK1]
2000 Model Year
(last updated 1/23/02)
- Engine Family Information (FileMaker Pro 5 Format) [2263K ZIP]
- Engine Family Model Information (FileMaker Pro 5 Format) [2253K ZIP]
- Engine Family Part Number Information (FileMaker Pro 5 Format) [1457K ZIP]
- Engine Family General Information (WK1 Format) [607K ZIP]
- Engine Family Model Information (WK1 Format) [1123K ZIP]
- Engine Family Part Number Information (WK1 Format) [205K ZIP]
2001 Model Year
(last updated 1/17/02)
- All Engine Family Information (FileMaker Pro 5 Format) [2220K ZIP]
- Engine Family Model Information (FileMaker Pro 5 Format) [1778K ZIP]
- Engine Family Part Number Information (FileMaker Pro 5 Format) [1093K ZIP]
- Engine Family General Information (WK1 Format) [674K ZIP]
- Engine Family Model Information (WK1 Format) [773K ZIP]
- Engine Family Part Number Information (WK1 Format) [214K ZIP]
2002 Model Year
(last updated 12/11/02)
- All Engine Family Information (FileMaker Pro 5 Format) [2076K ZIP]
- Engine Family Model Information (FileMaker Pro 5 Format) [1017K ZIP]
- Engine Family Part Number Information (FileMaker Pro 5 Format) [819K ZIP]
- Engine Family General Information (WK1 Format) [283K ZIP]
- Engine Family Model Information (WK1 Format) [315K ZIP]
- Engine Family Part Number Information (WK1 Format) [172K ZIP]
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)
Nonroad Small Spark-Ignition Engine Certification Data
1997 Model Year
- All Engine Family Information (FileMaker Pro Format) [201K ZIP]
- Engine Family General Information [291K WK1]
- Engine Family Model Information [120K WK1]
- Engine Family Part Number Information [148 WK1]
1998 Model Year
- All Engine Family Information (FileMaker Pro Format) [415K ZIP]
- Engine Family General Information [504K WK1]
- Engine Family Model Information [314K WK1]
- Engine Family Part Number Information [502K WK1]
1999 Model Year
(last updated 1/23/02)
- All Engine Family Information (FileMaker Pro 5 Format) [499K ZIP]
- Engine Family General Information (WK1 Format) [118K ZIP]
- Engine Family Model Information [344K WK1]
- Engine Family Part Number Information [570K WK1]
2000 Model Year
(last updated 1/23/02)
- All Engine Family Information (FileMaker Pro 5 Format) [551K ZIP]
- Engine Family General Information (WK1 Format) [136K ZIP]
- Engine Family Model Information [327K WK1]
- Engine Family Part Number Information [450K WK1]
2001 Model Year
(last updated 1/17/02)
- All Engine Family Information (FileMaker Pro 5 Format) [575K ZIP]
- Engine Family General Information (WK1 Format) [161K ZIP]
- Engine Family Model Information [361K WK1]
- Engine Family Part Number Information [438K WK1]
2002 Model Year
(last updated 12/11/02)
- All Engine Family Information (FileMaker Pro 5 Format) [491K ZIP]
- Engine Family General Information (WK1 Format) [249K ZIP]
- Engine Family Model Information [410K WK1]
- Engine Family Part Number Information [535K WK1]
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)
Marine Spark-Ignition Engine Certification Data
1998 Model Year
- All Engine Family Information (FileMaker Pro Format) [136K ZIP]
- Engine Family General Information [113K WK1]
- Engine Family Model Information [165K WK1]
- Engine Family Part Number Information [174K WK1]
1999 Model Year
(last updated 1/23/02)
- All Engine Family Information (FileMaker Pro 5 Format) [214K ZIP]
- Engine Family General Information [879K WK1]
- Engine Family Model Information [456K WK1]
- Engine Family Part Number Information [882 WK1]
2000 Model Year
(last updated 1/23/02)
- All Engine Family Information (FileMaker Pro 5 Format) [203K ZIP]
- Engine Family General Information [836K WK1]
- Engine Family Model Information [219K WK1]
- Engine Family Part Number Information [637K WK1]
2001 Model Year
(last updated 1/17/02)
- All Engine Family Information (FileMaker Pro 5 Format) [193K ZIP]
- Engine Family General Information [765K WK1]
- Engine Family Model Information [106K WK1]
- Engine Family Part Number Information [401K WK1]
2002 Model Year
(last updated 12/11/02)
- All Engine Family Information (FileMaker Pro 5 Format) [145K ZIP]
- Engine Family General Information [115K WK1]
- Engine Family Model Information [100K WK1]
- Engine Family Part Number Information [151K WK1]
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)
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)
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)
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)
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)
For database questions, contact Foster Morrison (morrison.foster@epa.gov), telephone: 202-343-9298
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
- FileMaker Pro (FP5)
- Excel (XLS)
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
- FileMaker Pro (FP3)
- Lotus (WK1)
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:
- ******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.
- ***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.) - ***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. - ***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.