This Def system with that 5mph derate should be classified as high crimes against the trucking industry. This system is the one thing that is bankrupting the smaller truck owners . Those shop bills is outrageous. Worst invention ever .
@@victorbernier4765 It might be a shock for you, but that's the case. As you know every engine, motor or equipment developed in the US has non-metric measures. Well, the MX-13 has metric measures till the very last bold. Here is a video in which you can see the MX-13 is developed by DAF Trucks at Brainport Eindhoven the Netherlands. ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-xu0UbB3ZlNw.html DAF Trucks develops motors since 1956. Why then should PACCAR develop an other motor while on of her great daughters has the know how to do that job perfectly. And if PACCAR would do so, why didn't she develop the MX-15, which is a Cummins motor.
