Chevron™s Delo 400 LE SAE 10W-30 multi-grade diesel oil is specifically formulated for new low emissions engines running on ULSD. Delo 400 LE has met performance requirements for API CJ-4, in addition to previous oil formulations. The heavy-duty engine oil offers improved performance in wear control for valve-train, bearings, rings and liners, oxidation control, soot dispersion, piston deposit control and oil consumption control.