API CC Class

Section API classes for diesel engines, article 10 of 12102 words, 1 minute

In this section: 12 articles
  1. API CI-4 (CI-4 PLUS) Class
  2. API CH-4 Class
  3. API CG-4 Class
  4. API CF-2 (CF-II) Class
  5. API CF-4 Class
  6. API CF Class
  7. API SE Class: Diesel Engines from 1983
  8. API CD-II Class
  9. API CD Class
  10. API CC Class
  11. API CB Class
  12. API SA Class: Diesel Engines

Engine oils for diesel engines operated under medium load (obsolete class).

The class was introduced in 1961 for use in some engines, both naturally aspirated and turbocharged, characterised by increased compression. Engine oils of this class were recommended for engines operating under moderate and high load.

In addition, where the engine manufacturer recommended it, such oils could also be used in some high-output petrol engines.

Compared with earlier classes, API CC engine oils had to provide a higher level of protection against high-temperature deposits and bearing corrosion in diesel engines, as well as against rust, corrosion and low-temperature deposits in petrol engines.