Detroit Diesel Corporationsays it is moving its factory-fill engine oil to low viscosity FA-4 on the DD13, DD15 and DD16 heavy-duty line of engines.
Detroit Engineering has issued two new fluid specifications for the use of the recently introduced PC-11 category: DFS 93K222 covers CK-4 engine oils, which replace CJ-4 as the industry standard. DFS 93K223 covers the FA-4 engine oils with an emphasis on fuel-economy improvements.
From July 2014 through September 2015, Cauley reported conducting 39 Level 1 inspections on Cruz and Sons trucks, all of which were given a Commercial Vehicle Safety Alliance inspection decal for a clean inspection. Cruz reportedly paid Cauley at least $4,000 for the clean inspections