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ACEA

ACEA (abbreviation for Association des Constructeurs Européens d`Automobiles); founded in February 1991, successor of CCMC

This board has developed new classifications for the use of engine oils in petrol, passenger vehicle diesel and motor vehicle diesel engines. (ACEA European Oil Sequences for Service Fill Oils).

Alterations to the CCMC standards:

1. Updating of the requirements and the employed engine tests in order to achieve an up-to-date testing of the lubricants and to comply with the more exacting requirements due to the current engine technology.

2. Introduction of a quality management system for registering test results. The new system stipulates that all measured results (of the reference test as well as of the actual candidate test) have to be registered with the European Registration Centre. It is intended to make ACEA tests auditable by neutral authorities and to avoid ACEA classifications are granted for products that have not been tested.

Thus ACEA classifications show a higher current performance level than the formerly used CCMC categories.

Since the beginning of January 1996, the new ACEA classifications have been introduced and divided up into 3 different categories:

A for cars with gasoline engines
B for light diesel engines (PWK, Van, Transporter)
C Katalysatorenverträgliche oils (commercial vehicles)
E for heavy diesel engines


ACEA - specification for petrol (A) and diesel (B)
Class: Status: Application / Requirements:
- A1/B1: current: motor oils for gasoline and light diesel oil with lower friction coefficient and low viscosity (light running) it will operate. HTHS viscosity from 2.6 to 3.5 mPas.
- A2/B2: withdrawn: Conventional and low-friction engine oils.
- A3/B3: current: Stable high-performance motor oils for gasoline and light diesel engines with extended oil change intervals if the engine manufacturer provided; u / od for year-round use of low-viscosity oils; u / od for severe operating conditions, defined by the engine manufacturers. HTHS viscosity of ≥ 3.5 mPas. Exceeds A1/B1 and A2/B2 regarding piston cleanliness and oxidation stability.
- A3/B4: current: Stable high-performance motor oils for gasoline and light diesel engines with direct injection. Higher requirements for direct injection diesel engines (designated B4). Also used for applications that have been described in B3. HTHS viscosity of ≥ 3.5 mPas.
- A5/B5: current: Stable high-performance engine oils with extended oil change intervals for both petrol and light diesel engines that are designed mPas for oils with low friction coefficient and low viscosity, light running) and a viscosity of HTHS ≥ 2.9.

ACEA - specifications for petrol and diesel engines with new engine system
Class: Status: Application / Requirements
- C1: News: Strong, katalysatorverträgliche performance oils for use in vehicles with gasoline and light diesel engines, diesel particulate filter and three-way oil having a low coefficient of friction, low viscosity, low SAPS (sulphated ash, phosphorus, sulfur) and with a HTHS 2, 9 mPas tolerated. These oils are to extend the catalyst and filter life and kraftstoffeinsparend be.
- C2: current: Stable, katalysatorverträgliche high-performance oils for use in vehicles with gasoline and light diesel engines, diesel particulate filter and three-way, the oils with a low friction coefficient, low viscosity and tolerate a HTHS about 2.9 mPas. These oils are to extend the catalyst and filter life and kraftstoffeinsparend contribute.
- C3: current: Stable, High katalysatorverträgliche oils for use in vehicles with gasoline and light diesel engines, diesel particulate filter and three-way. These oils are to extend the catalyst and filter life.

ACEA - Specification for truck diesel engines
Class: Status: Application / Requirements
- E1: withdrawn: Same as far as possible the existing CCMC D 4
- E2: withdrawn: general-purpose oil for naturally ventilated, super-charged heavy diesel engines, medium to heavy loads.
- E3: withdrawn: Based largely on MB 228.1. In addition, Mack 8 test.
- E4: current: Stable high-performance oils with excellent control of piston cleanliness, wear, soot formation and lubricant stability. Recommended for supercharged diesel engines that meet the Euro I - IV emission requirements and running under very severe conditions, or highly extended oil change intervals. Suitable for engines without particulate filters.
- E5: withdrawn: Category for EURO III engines, E4 to reduced ash content in comparison. Quality level between ACEA E3 and E4.
- E6: current: Stable high-performance oils with excellent control of piston cleanliness, wear, soot formation and lubricant stability. Recommended for supercharged diesel engines that meet the Euro I - IV emission requirements and running under very severe conditions, or highly extended oil change intervals. They are suitable for EGR engines with and without particulate filter and for engines with SCR NOx reduction systems. E6-oils, recommended for engines with particulate filters were ppm for use with low sulfur fuels (<50) developed.
- E7: current: Stable high-performance oils with excellent control of piston cleanliness and bore polishing. In addition, they should check to a high degree of wear, the deposit formation in the turbocharger and the formation of soot. Recommended for supercharged diesel engines that meet the Euro I - IV exhaust system requirements and run under very heavy duty characteristics-en, or highly extended drain intervals. E7-oils are recommended for engines without particulate filters, for most of EGR engines and most engines with SCR NOx reduction systems.
- E9: current: motors with / without a diesel particulate filter of most EGR engines and most of the SCR NOX engines, for engines with a diesel particulate filter in combination with sulfur-free fuel. Sulfate ash content max. 1%.



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