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Fleet Software

If you're responsible for managing and maintaining multiple trucks, there are several tools available to help make it easier. These tools can help with parts identification, ordering, diagnostics, fleet health, and engine, aftertreatment, and transmission maintenance. 

If you have questions about any of the tools listed below, complete the form on this page and we'll follow up with more information. 


The platform needed to access many other Paccar software programs. As noted, where applicable.  

Web ECat

Provides detailed parts breakdowns and BOMs for chassis assigned to a customer in the system. Included with ePortal.


Online Parts Counter (OPC)  is linked with Web ECat to place orders with visibility to store inventory.  Included with ePortal.


Provides access to diagnostic software for cab of the truck and MX engines. Requires ePortal. 


Provides access to Cummins parts lookup, software, and service manuals. 


Provides access to Cummins engine diagnostic software.

Allison Diag

Provides access to diagnostic software for Allison transmissions.


Provides remote diagnostics, over-the-air-updates, and service management for engine and aftertreatment systems. 



Fleet Software Request

Learn More

If you're interested in learning more about Fleet Software available to support your Paccar, Cummins, and Allison products submit your inquiry here.