Both CF-4 and CH-4 are the quality grades of diesel oil.

CF-4: Introduced in 1990, CF-4 is suitable for high-speed, four-stroke, natural intake or turbocharger diesel engines and it can replace CD and CE oil grades.

CH-4: Introduced in 1998, it is suitable for high-speed with  four-stroke diesel engines which can meet the 1998 US emission standards. It uses fuels with sulphur content less than 0.5%. It can replace CD grade, CF-4 grade, CG-4 oil grade.

Petroking Petroleum Hebei CO., Ltd is will-experienced lubricating grease & oil manufacturer, working with more than 30 clients from all over the world.

We can supply Diesel engine oil CF-4 15W-40 and 20W-50. It fully meets the requirements of the engine for all types of natural breathing and turbocharged diesel engine: suitable for -25℃-30℃ ambient temperature.

As for our CH-4 Diesel engine oil, CH-4 15W-40 and 20W-50 are also available. They are specially designed for heavy-duty diesel engines, and can provide exceptional performances in terms of soot control, engine cleanliness and wear protection.

According to different needs, you can choose Diesel Engine Oil CF-4 or CH-4. Interested in them, please contact us as soon as possible. We are looking forward to your kind message!