Chevron DELO® 600 ADF 15W-40 ISOCLEAN® Certified Diesel Engine Oil is an ultra-low ash heavy-duty engine oil formulated with Advanced Aftertreatment Protection Technology to extend the life of modern emission systems, including Diesel Particulate Filters (DPFs), Selective Catalytic Reduction (SCR), and Diesel Oxidation Catalysts (DOCs). Meeting API CK-4 requirements, this oil helps reduce ash build-up by up to 60% compared to conventional CK-4 oils, lowering maintenance costs and improving uptime.

With ISOSYN® Advanced Technology and Chevron’s ISOCLEAN® certification process, this premium lubricant provides:

• Reduced DPF clogging and extended regeneration intervals

• Superior wear protection for pistons, bearings, and valve trains

• Outstanding oxidation stability, extending oil life and drain intervals

• Cleaner engines with less sludge and deposit formation

• OEM approvals for both on- and off-highway diesel engines

Packaged in a 3/1 gallon case, it is the perfect option for fleets, service shops, and equipment operators seeking a convenient mid-size supply. Chevron DELO 600 ADF 15W-40 delivers maximum aftertreatment protection, engine durability, and lower total cost of ownership.