New Eaton Cummins Endurant XD transmissions are designed for on-highway applications with high gross combined weight ratings, as well as for severe-duty on/off highway applications.
Cummins to Offer 18-Speed Endurant Transmission as X15 Engine Option
The X15 Performance Series and Endurant XD powertrain is optimized for high gross combined weight on-highway and severe on and off highway applications.