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What does CKD mean in engine oil?

1 Answers

Linda

07/29/25 7:31pm

CKD stands for heavy-duty industrial closed gear oil, with an oxidation resistance of 121 degrees Celsius and an extreme pressure performance of ≥60 pounds. Introduction to gear oil: Gear oil should have good anti-wear, load-bearing properties and appropriate viscosity. It should also possess excellent thermal oxidation stability, anti-foaming properties, water separation performance, and rust prevention capabilities. Gear oil is a high-performance lubricant. Performance characteristics of gear oil: Suitable viscosity and good viscosity-temperature characteristics are fundamental properties of gear oil. Higher viscosity results in a thicker lubricating oil film, which relatively enhances load-bearing capacity. Extreme pressure anti-wear performance is the most important and distinctive feature of gear oil. It is relied upon to prevent wear, scuffing, and adhesion of gear surfaces during operation.

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What is the difference between V and H on tires?

The difference between V and H on tires lies in their speed ratings: tires with a V rating have a maximum safe speed limit of 240 km/h, while tires with an H rating have a maximum safe speed limit of 210 km/h. The principle for replacing tires is that tires on the same axle must be of the same brand, tread pattern, size, load index, speed rating, and have similar tread depths. Tires are circular elastic rubber products mounted on various vehicles or machinery, typically installed on metal rims. They support the vehicle body, absorb external shocks, ensure contact with the road surface, and maintain driving performance. Tires are often used under complex and demanding conditions, so they must possess high load-bearing capacity, traction performance, and shock absorption capabilities.

What is the Function of Car Perfume?

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Is White Smoke from the Exhaust Pipe Normal?

White smoke from the exhaust pipe is normal. The water vapor produced after gasoline combustion is normally discharged through the exhaust pipe. Due to the low ambient temperature, the water vapor condenses into small droplets, turning into visible water vapor, which is a normal phenomenon. However, if white smoke continues to appear after the engine has warmed up, it may indicate a damaged cylinder head gasket. Possible causes of white smoke include: 1. Some diesel fuel not being burned and turning into oil vapor, which is discharged with the exhaust gases; 2. Presence of water in the fuel or combustion chamber; 3. Poor atomization of the fuel injector; 4. Low cylinder pressure, causing some diesel fuel to turn into oil vapor without being burned, resulting in white smoke from the exhaust pipe.

How to Remove the Speed Limit on Lavida?

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Where is the fuel tank cap opened on the Bora?

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Does the new Vios come with a cigarette lighter?

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