Diesel Engine Oil (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

Available In

4L, 8L, 10L, 208L Drum



  • 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


  • 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

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.