On August 14-15, 2013, Yuchai United Power YC6K12 series of five engines passed the EU E-mark certification test, and completed all certification tests according to EU emissions R49, smoke R24, net power R85 and other regulations. content.

According to EU Directive 72/245/EEC and the amendment to Directive 95/54/EC, all automotive engines, related electronic appliances and other products that enter the EU market for sale must pass E-mark related test certification, with the label “e”. The sign will be released by the customs of EU countries and allowed to enter the local market. At present, a considerable number of countries around the world use the European Union's emission standards and are recognized as E-mark certified.

Engine Piston

The function of the engine piston is to convert the energy produced by the combustion of fuel and air into mechanical motion.
During operation, the piston is accompanied by several other components, including connecting rod, Crankshaft and cylinder wall.

High quality pistons are characterized by lightweight and durable materials, precision machining, advanced coating or heat treatment.

High-quality pistons are usually made of lightweight and durable materials, such as aluminum or titanium alloys. They are also precision-machined to ensure a tight fit with the cylinder wall, which reduces friction and improves overall efficiency.
In addition, high-end pistons may be coated with advanced coatings or heat treatment to further improve their performance and life.

The life of a piston depends on a number of factors, including the quality of the materials used and the manufacturing process, the operating conditions of the engine, and the frequency of maintenance and repair.
However, in general, well-maintained pistons can be used for 100,000 kilometers or more.

To sum up, engine pistons play a vital role in converting fuel and air into mechanical energy, and are accompanied by several other important components during operation.

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