I am fairly sure the unit in the picture is the MB OM 403 about 16 Litres.

Take a look at the Dainish Dingo - powered by one of these units.
Mind you it does have 2200 HP.

Has to be the most powerful MB Diesel going.

Unless someone knows better.

Mind you it does have 2200 HP.
Take a look at the Dainish Dingo Site --

Dainish Dingo Site

Mike