Check out this channel regarding soot blocking oil passages.
   • Video  

PROVENT 200 store
https://www.ebay.ca/str/sydneyfilters...

In this video, I explain why these main bearings seem to let go in the ecodiesel. You need to disable the EGR and install an oil catch can. These trucks appear to suffer from pre-oil contamination (as do most modern diesel's).

If you have any more information regarding these engine failures please post below.