Any ideas as to what this engine is?

It is the link image to an article I saw today, and the article doesn't even have the picture, so there is no caption or any information that I saw. Reverse GIS came up empty for me, so I'm assuming it is a stock image. The engine is obviously huge, and appears to have 7 main bearings, making it an I6 or possibly… » 4/30/14 1:01pm 4/30/14 1:01pm