About the PACCAR Davie4 Diagnostic Software
This tool is intended for PACCAR MX engines only and requires Internet access.
System Requirements:
- Windows 7 or 10 Professional Version
- 3 GB free hard drive space
- 4 GB of RAM
-
Nexiq USB Link 2 Adapter (Other RP1210 adapters may or may not work properly)
This software does NOT include access to the PACCAR ePortal for repair information. For PX engines you can use Cummins Insite, aftermarket software, or a multi-brand diagnostic tool.