Delo 400 XSP SAE 15W-40 (Full Synthetic) with ISOSYN Advanced Technology is a mixed-fleet engine oil recommended for naturally aspirated and turbocharged four-stroke diesel engines and four-stroke ...

Lastly, 6.7 Power Strokes frequently burning B20 biodiesel fuel require either Motorcraft SAE 5W-40 full synthetic diesel motor oil or SAE 15W-40 Super Duty diesel motor oil. More than just ...