Product Description
Mobil Delvac MX 15W-40 is a high-performance, multi-grade engine oil formulated by ExxonMobil for high-speed diesel engines in marine applications. It is suitable for both modern low-emission and older diesel engines using low or high sulphur distillate fuel. The product is endorsed by major marine diesel engine manufacturers.

Features and Benefits
The oil combines high-quality base stocks with a balanced additive system, offering exceptional control over oil thickening due to soot and high temperatures. It provides resistance to oxidation, corrosion, and varnish deposits. Key benefits include reduced deposit formation, stable oil film, and improved start-up wear protection.

Applications
Mobil Delvac MX 15W-40 is designed for severe service in modern high-speed diesel engines, including those from Caterpillar, Cummins, Volvo, Daihatsu, and Yanmar.

Specifications and Approvals
The product meets or exceeds several specifications, including API CI-4/CH-4/CG-4/CF-4/CF/SL/SJ, ACEA E7/E5, Caterpillar ECF-2, Cummins CES 20078/20077/20076/20072/20071, MB 228.3, MAN M3275, and Volvo VDS-3.

Typical Properties
SAE Grade: 15W-40
Specific Gravity at 15ºC: 0.881
Flash Point: 228ºC
Pour Point: -33ºC
Viscosity at 40ºC: 105 cSt
Viscosity at 100ºC: 14.2 cSt
Viscosity Index: 138
Total Base Number (TBN): 10 mg KOH/g
Sulphated Ash: 1.1 wt%

Health and Safety
The product is not expected to have adverse health effects when used as intended. Users should follow the Material Safety Data Sheet (MSDS) guidelines. Disposal should be environmentally responsible.

ExxonMobil and Delvac are trademarks of Exxon Mobil Corporation.