If you manage a fleet of 10 or more International trucks, assign one person as the "Portal Administrator" to handle user permissions and password resets. This single step will save your shop dozens of hours annually.
| Feature | | OnCommand Connection | Diamond Logic Builder | | :--- | :--- | :--- | :--- | | Purpose | Parts, warranty, service history | Telematics, remote diagnostics, fault alerts | Advanced chassis programming | | User Type | Dealers, Fleet owners, Large fleets | Truck owners, drivers, fleet managers | Certified technicians | | Cost | Subscription required | Free for basic; Pro tier paid | Dealer-access only | | Key Feature | Search parts by VIN | Real-time GPS and MPG tracking | Reprogram ECUs | 9.0 navistar login
Last Updated: October 2025