API SD Class

Section API classes for petrol engines, article 8 of 1158 words, 1 minute

In this section: 11 articles
  1. API SM Class
  2. API SL Class
  3. API SJ Class
  4. API SH Class
  5. API SG Class
  6. API SF Class
  7. API SE Class: Petrol Engines from 1972
  8. API SD Class
  9. API SC Class
  10. API SB Class
  11. API SA Class: Petrol and Diesel Engines

Engine oils for use in petrol engines from 1968 onward (obsolete class). Oils of this class were used in the petrol engines of passenger cars and some trucks built in 1968-70, as well as some 1971 and later models. They offered better protection than SC engine oils and, likewise, were used only where the engine manufacturer recommended them.