What is the Difference Between CF and CH Engine Oil?
1 Answers
Here are the differences between CF and CH engine oil: 1. Different grades. The first letter of diesel engine oil is "C", and the grades are CA, CB, CC, CD, CE, CF, CF-4, CG-4, CH-4, CI-4, CJ-4. Each subsequent letter represents a higher quality level, meaning CH grade is higher than CF. 2. Different performance. With each increase in letter grade, the oil's performance surpasses the previous one. Whether it's the oil's stability (cleaning and dispersing properties) or its protective performance for the engine (corrosion resistance and oxidation resistance), CH grade oil outperforms CF. 3. Different applications. (1) CF-4 grade diesel engine oil—suitable for high-speed, heavy-duty, long-cycle diesel engines. (2) CH-4 grade diesel engine oil—suitable for bi-metal piston engines (with strong resistance).