SAE 20W-50 API CF-4

Atlas Diesel Engine Oils multi-grade, heavy duty diesel engine oil developed to meet the lubricant requirements of those diesel engines where the manufacturer recommends SAE 20W-50 API CF-4 performance lubricants.

General Characteristics

Applications: Suitable for use in those applications where the manufacturer recommends Multigrade diesel engine oil of API CF-4/SG Performance and SAE 20W-50 Viscosity such as in:

  • High-speed, four-stroke, turbocharged or naturally aspirated Diesel engines
  • Commercial road transport
  • Off-highway vehicles
  • Generator Sets
  • Agricultural Tractors


  • API CF-4/SG

Key Features

Properties Units Methods A3+20W-50
Kinematic Viscosity 100°C mm²/s ASTM D445 19.1
Viscosity Index ASTM D2270 125
Pour Point °C ASTM D97 -21
Flash Point °C ASTM D92 220
TBN mg KOH / gm ASTM D2896 9.3


  • Combination of high quality base oils and optimized additive package contributes in maintaining power and performance.
  • Provides protection against corrosive attack on engine components and resists formation of harmful deposits in high temperature operating conditions
  • Forms a protective layer on contact surfaces of the vital engine components to reduce wear.
  • Suitable for use with high sulfur fuels at appropriate oil drain intervals

Safety, Health and Environment

  • Atlas motor oil A3000+ is unlikely to have any significant health or safety hazard when properly used in recommended application and following good standards of personal hygiene.
  • Avoid contact with skin. Use impermeable gloves while handling oil. After skin contact, wash immediately with soap and water.
  • Take used oil to authorized collection point. Do not discharge used oil in to drain, soil or water.