ACEA : | The European Automobile Manufacturers’ Association (or Association des Constructeurs Européens d’Automobiles) |
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API : | American Petroleum Institute |
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C : | Diesel engines |
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HVI : | High Viscosity Index |
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MTU : | Maximum Transmission Unit |
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S : | Gasoline engines |
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SAE : | Society for Automotive engineers |
STOU : | Super tractor oil universal |
UTTO : | Universal Tractor Transmission Oil |
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ACEA A3/B3 : | Stable, stay-in-grade Engine Oil intended for use in Passenger Car & Light Duty Van Gasoline & Diesel Engines and/or for extended drain intervals where specified by the engine manufacturer, and/or for year-round use of Low Viscosity Oils, and/or for severe operating conditions as defined by the Engine Manufacturer. |
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ACEA A3/B4 : | Stable, stay-in-grade Engine Oil intended for use in Passenger Car & Light Duty Van Gasoline & DI Diesel Engines, but also suitable for applications described under A3/B3. |
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ACEA A5/B5 : | Stable, stay-in-grade Engine Oil intended for use at extended Drain Intervals in Passenger Car & Light Duty Van Gasoline & Diesel Engines designed to be capable of using Low Viscosity Oils with HTHS Viscosity of 2.9 to 3.5 mPa*s. These Oils are unsuitable for use in certain Engines – consult vehicle-OEM’s owner’s manual/handbook in case of doubt. |