Prostar and maxxforce engine

Hey guys was curious if anyone could tell what my maxx 13 has for an engine brake? Engine or exhaust. Vin BJ330466. Thanks

 

A little update on my prostar. I have put about 60k on the truck since we got it in 2016. I'm starting to have some issues. The first issue is oil coming out of the vent tube. What should I be looking at for that issue? I see something about a centrifuge filter. It is making the front axel wet . Also it uses a half gallon of coolant in 1600 miles. I don't see any leaks. So I'm thinking egr. But it has not gotten worse over the last few years. We only use this truck a few times a year. Other than a egr valve correlations code its has been running good.

Thanks for any help.

 

Centrifugal oil separator and jet plate for the oil issue.