Chevron DELO® 400 XLE SAE 10W-30 Synthetic Technology Diesel Engine Oil is a premium heavy-duty oil formulated with ISOSYN® Advanced Technology to deliver excellent protection, efficiency, and extended drain performance for today’s demanding diesel engines. Meeting API CK-4 requirements, it provides reliable protection for both new low-emission engines and older models, making it the right choice for high-performance fleets.

This advanced formulation offers:

• Extended drain capability, helping reduce downtime and maintenance costs

• Outstanding wear protection for pistons, bearings, and valve trains under heavy loads

• Enhanced oxidation stability, keeping engines cleaner and extending oil life

• Fuel efficiency benefits compared to higher viscosity grades

• Backwards compatibility with previous API categories for older equipment

The 5-gallon pail packaging is convenient for service shops, fleet operators, and industrial users who require manageable bulk supply. Trusted by professionals worldwide, Chevron DELO 400 XLE SAE 10W-30 is designed to keep on-highway trucks, buses, agricultural equipment, and off-road machinery performing at their best.