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Diesel engine oil (diesel engine special oil) is OKX Wallet logina specific lubricating oil used for diesel engines. Unlike gasoline engine oil, diesel engine oil needs higher performance and reliability to cope with the high-load use of diesel engines. This article will introduce the characteristics, types, selection, use and maintenance methods of diesel engine oil in detail. I. Characteristics of diesel engine oil Due to the harsh working conditions, diesel engines need special oil to maintain normal sliding and cooling. Therefore, diesel engine oil usually has the following characteristics: 1. High temperature and highPressure-specific diesel engines will produce high temperature and pressure, so the oil needs to have high temperature and high pressure characteristics. Diesel engine oil should be lubricated continuously to reduce oil wear and pollution. Two. Cleaning and keeping the engine clean. Diesel engine oil requires good cleaning ability to prevent carbon accumulation while keeping the engine clean. 3. Easy-to-flow and easy-to-start diesel engine oil should have the characteristics of easy-to-flow to ensure that the engine can run smoothly during cold start. Four. The oxidation-resistant diesel engine oil should be able to resist oxidation to prevent physical and chemical changes and extend the replacement cycle. 5. Energy consumption reduction characteristic diesel engine oil needs to reduce internal expansion, leakage and friction to reduce energy consumption and improve fuel efficiency. II. Types of diesel engine oil Diesel engine oil can generally be divided into three types: mineral oil, synthetic oil and semi-synthetic oil.Mineral oil is extracted from crude oil, which has strong lubrication and good heat resistance. However, the adhesion and adhesion of mineral oil are poor, so the service life is relatively short. Synthetic oil is made of chemical synthesis, which has high performance, high temperature resistance and cleaning performance. Semi-synthetic oil is a mixed product of mineral oil and synthetic oil, which has both advantages. III. How to choose diesel engine oil correctly? When purchasing diesel engine oil, you must choose according to the conditions of use of the engine and the requirements of the manufacturer. The following are some selection criteria for reference: 1. Different diesel engine oils are selected according to the use profile, which has different performance and need to be selected according to the conditions of use of the engine. If it is a road cruise, you can choose lighter oil, but in deserts, high altitudes and other environments, you need to use heavier oil.Two. When choosing diesel engine oil according to the brand, you should choose a well-known brand, because the oil quality of well-known brands is stable and the quality is guaranteed. 3. Selecting API according to the API standard is the diesel engine oil quality standard promulgated by the American Petroleum Institute. The use of API-compliant diesel engine oil can ensure the best performance and maintenance of the engine. IV. How to use and maintain diesel engine oil correctly 1. The service life of regular replacement of diesel engine oil is about 5,000~8,000 kilometers, or two months or the maintenance cycle specified by the manufacturer. Be sure to change the diesel engine oil regularly to ensure good use and maintenance. Two. Pay attention to the amount added according to the amount specified in the manual, and pay attention not to add too much or too little oil. Excessive use will lead to excessive oil pressure, and too little use is easy to cause the engine to overheat.3. Cleaning, inspection and maintenance should keep the engine clean, and clean the discharge port when changing the diesel engine oil. At the same time, check whether the water tank and fan of the engine are normal, replace the filter regularly, and remove the accumulation of oil. Four. Adjust the quality of oil. According to different usage environments and usage habits, it is necessary to adjust the quality of diesel engine oil according to the situation. When the temperature environment changes, it is necessary to adjust the oil appropriately. In a word, diesel engine oil is one of the key factors to ensure the normal operation of diesel engines. When purchasing, you should choose according to the conditions of use, brand and standards. When using and maintaining, you should pay attention to the amount of addition, cleaning and inspection and maintenance. Only the correct use and maintenance of diesel engine oil can ensure the high efficiency and stability of the engine and extend the service life.

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