I work at a nationalease company and we are taking In about 59 379's at our location alone. They're really nice trucks besides most of them being the autos. Compared to the cascadias the company already had before I started(only been in the business for 7 months) and these Pete's with the Cummins look like they're gonna be a breeze to work on. The Cummins in them sits up high and has so much access. You can see in the video how easy it is to get to those after treatment sensors
My guess it would be for when it gets stuck so the tow truck driver doesn’t have to connect to the front axle and take a chance on tearing off the front bumper .