DELMAC DieselTec 15W40 is a high‑performance diesel engine oil formulated with premium mineral base oils and an advanced additive system designed for modern heavy‑duty diesel engines. It provides excellent protection against wear, soot thickening, oxidation, and high‑temperature breakdown. Its balanced viscosity ensures strong lubrication during cold starts while maintaining a durable oil film under extreme heat and heavy load. DieselTec 15W40 helps reduce deposits, improves engine cleanliness, and supports extended engine life in demanding operating environments.

Applications

Recommended for turbocharged and naturally aspirated diesel engines in trucks, buses, pickups, construction machinery, generators, agricultural equipment, and commercial fleets. Suitable for engines operating in high‑temperature climates, dusty environments, long‑distance transport, and heavy‑load conditions. Ideal for mixed fleet operations requiring reliable 15W40 diesel engine protection.