Diesel engine oil for marine trunk piston engines. The Mobilgard ADL series by ExxonMobil is a high-performance engine oil for high BMEP, medium, and high-speed diesel engines operating on distillate and MDO. This advanced diesel engine oil is available in both SAE 30 and 40. The properties of this oil not only provide increased resistance to cylinder lacquering, but also with respect to sludge removal and against deposits in the engine. The Mobilgard ADL series has superior properties for minimizing piston ring and liner wear. The Mobilgard ADL series is also suitable for certain marine gears.

SAE 30, Density at 15°C 0.889, Flash point 230 °C, Pour point -30°C, Viscosity, at 40°C 90 cSt, at 100°C 11.5, TBN 12, Sulfated ash content wt% 1.4.