Motul Inboard 4T 15W40 Boat Oil SpecificationsMotul Inboard 4T grade 15W40 oil has been specially designed for boats used both recreationally and professionally off the coast or on the river. Recommended for inboard 4 stroke petrol and diesel engines n/a or turbocharged with direct injection common rail or injection pumps : Baudouin Caterpillar Cummins Iveco Lombardi MTU Nanni Man Perkins Vetus-Deutz Volkswagen Crusader Mercruiser Volvo Yamaha Yanmar Fenwick... This lubricant is also compatible with Hurth inverters and Technodrive depending on models and manufacturer recommendations.Motul Inboard Tech 4T meets the following standards : ACEA E3 E5 E7 API CI-4 / CH-4/ CG-4 / CF-4 / SG / SF Caterpillar ECF-1 Cummins 20071-20072-20076-20077-20078 Man M 3275 Global DHD-1 MTU Type II Volvo Penta VDS-2 / VDS-3. It protects against rust in humid and saline conditions neutalizes acidic residue from fuel combustion improves fluidity in cold temperatures as well as the engine's lifespan reducing ignition wear. Its high detergency prevents clogging and deposits in the engine rust and foaming.Nautical engines run in demanding conditions : often at full power in low temperatures increasing engine wear. In order to keep your nautical engines running smoothly Motul offers a wide range of specially formulated lubricants that guarantee the best protection.