Mobil Delvac MX 15W-40 is an extra high performance diesel engine oil that provides excellent lubrication of today's diesel engines promoting extended engine life. As a result, this product meets or exceeds the specifications of virtually all major European and American engine manufacturers. This extra high performance has been proven in the field in a wide variety of industries, applications, and mixed fleets.

The advanced chemistry of this product provides outstanding performance in both modern, demanding low-emission diesel engines and older diesel engines operating on low or high sulphur fuel. Mobil Delvac MX 15W-40 combines a blend of high performance base stocks with a progressive additive system to provide superior control of oil thickening due to soot build-up and high temperatures as well as outstanding resistance to oxidation, corrosion, and high temperature deposits.

SAE 15W-40 Heavy Duty Motor Oil

This SAE 15W-40 motor oil is designed for use in heavy-duty diesel engines, providing excellent performance and protection under high temperatures and stress conditions. The formula ensures long-lasting protection, improved engine performance, and efficient operation in various environmental conditions.

• Grade: SAE 15W-40
• Viscosity at 40ºC: 106 mm²/s (ASTM D445)
• Viscosity at 100ºC: 14.4 mm²/s (ASTM D445)
• Viscosity Index: 140 (ASTM D2270)
• Total Base Number: 12 mg KOH/g (ASTM D2896)
• Sulfated Ash: 1.3% (ASTM D874)
• Pour Point: -33ºC (ASTM D97)
• Flash Point: 228ºC (ASTM D92)
• Density at 15.6ºC: 0.885 g/ml (ASTM D4052)
• Engine Protection: Excellent wear protection and high-temperature stability
• Application: Ideal for heavy-duty diesel engines
• Performance Level: Suitable for extended oil drain intervals