This isn't a big deal. There's a whole industry devoted to making cabs for rolling chassis, they're called Glider Kits[1]. This is smart on Cummin's part, sinc

This isn't a big deal. There's a whole industry devoted to making cabs for rolling chassis, they're called Glider Kits[1]. This is smart on Cummin's part, since they own most of the drivetrain anyway. [1] https://www.fitzgeraldgliderkits.com/what-is-a-glider-kit/ https://www.fitzgeraldgliderkits.com/what-is-a-glider-kit/ (This is a particular manufacturer, but many companies offer these cabs)