CM2350 recommendations

[Zondo956]

Yes when I notice it doing a regen I keep it in gear for the next hour or so. The rpm seem to be stuck low when it’s doing a regen so it’s noticeable.

Cans are cleaned by the company before they turn any truck in to dealership. It’s part of their deal. Mileage is 495,000 on the truck.
I’ve been replacing and going through everything the company didn’t do. Seems never ending Lol
The engine was replaced by the dealership under warranty. Crank failure. It was a full long block they installed. Was told accessories are original. I’m not sure about the turbo but egr cooler, fuel pump and head was part of the long block.

Is there any way to tell if it’s a reman or new engine? Was replaced December 2017 and plates on block and head say Date of Mfg. 11/17

I do plan on getting a APU but that’s gonna be sometime next year and after doing my research on them.