Chevron Delo® 400 SDE SAE 10W-30 Heavy Duty Diesel Engine Oil is a premium engine lubricant formulated with ISOSYN® Advanced Technology to provide excellent wear protection, oxidation control, and deposit resistance in today’s on-highway diesel engines. Meeting the latest API CK-4 specification, it is engineered for use in modern low-emission engines equipped with DPF, SCR, and EGR systems, while remaining backward compatible with older diesel engines.

Key benefits include:

• Superior wear protection for pistons, rings, and bearings under heavy-duty cycles

• Excellent oxidation stability, minimizing sludge and varnish for longer oil life

• Robust shear stability, ensuring consistent viscosity in severe conditions

• Cleaner engine performance, reducing maintenance costs and downtime

• OEM approvals from major engine manufacturers, supporting fleet-wide compatibility

Packaged in a 5-gallon pail, it’s the ideal choice for fleet operators, service shops, and equipment owners seeking a manageable bulk option. Chevron Delo 400 SDE SAE 10W-30 delivers long-lasting protection, improved reliability, and lower total cost of ownership, making it a trusted oil for on-highway applications.