API SA Class: Diesel Engines

Section API classes for diesel engines, article 12 of 12107 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 lightly loaded diesel engines (obsolete class).

Oils of this class are intended for use in diesel engines that run in light and moderate regimes on quality diesel fuel. In accordance with vehicle manufacturers' recommendations, they can also be used in some petrol engines operating in moderate regimes.

The class was widely used in the 1940s and 1950s and cannot be used in modern conditions, unless the engine manufacturer specifically requires it.

API SA engine oils must have properties that protect against deposits on piston rings, as well as against bearing corrosion in turbocharged engines for which no special fuel-quality requirements are set.