Complex sentence: The 5.9 and 6.7 L straight-six Cummins found in the Dodge Ram and the DT series Navistar DT Engine of inline 6-cylinder medium-duty diesels by International Truck and Engine Corporation, are widely praised for use in the North American truck market.
Split into simpler sentences: The 5.9 and 6.7 L straight-six Cummins found in the Dodge Ram. The DT series Navistar DT Engine of inline 6-cylinder medium-duty diesels by International Truck and Engine Corporation are widely used in the North American truck market.