Neptune Engineering, Inc. is a service company that provides data on motor vehicles.  Currently, Vehicle Crush Stiffness Coefficients, Motor Vehicle Manufacturers (MVM) Specification/Brochure Documents, NHTSA & Transport Canada Crash Test Reports, Vehicle Static Stability Factor Reports and a Sisters & Clones Listing are available.

New Crush Stiffness Data
149 crush stiffness files have been created/updated.
These new documents are for 2002-2009 model year vehicles.
Click here to see a list the new data (9/26/2009)

New Crush Stiffness Data
200 crush stiffness files have been created/updated.
These new documents are for 2002-2009 model year vehicles.
Click here to see a list the new data (8/18/2009)
Click here to see a list the new data (8/23/2009)

New Crush Stiffness Data
147 crush stiffness files have been created/updated.
These new documents are for 2001-2009 model year vehicles.
Click here to see a list the new data (7/13/2009).

Crash Test Reports (w/ photographs)
196 Crash Test Reports have been added to our collection.
These new documents, from NHTSA and Transport Canada, are for 2003-2009 model year vehicles.

The Vehicle Interchange List (Sisters & Clones List) has been updated for 2009.
Thank you, Gregory C. Anderson of Scalia Safety Engineering.
This document is a FREE download.

Motor Vehicle Manufacturers Specifications
280 MVM Spec Documents & Brochures have been added to our collection.
These new documents are for 2008-2010 model year vehicles.
Please visit our MVM Specs Information Page to discover more about this great deal and view example data.