Castrol Tection DD Monograde 40 is a high performance trunk piston diesel engine lubricant, especially formulated to meet the latest performance requirements for General Motors Detroit Diesel 2-stroke engines operating with
distillate fuels up to 0.5% sulphur content.


Main Power Generation. Emergency generators.
Auxiliary engines in Cranes, Firewater pumps etc.

Performance Levels & OEM Approvals

Exceeds API Service Categories :

  • CF-2, CD-2.
  • General Motors Corp. (Detroit Diesel Div.)

Typical Characteristics

Name Method Units Tection DD Monograde 40
SAE Viscosity     40
Base Oil Type     Mineral
Relative Density @ 25°C ISO 3675 / ASTM D1298   0.890
Viscosity @ 40°C ISO 3104 / ASTM D445 mm²/s 145
Viscosity @ 100°C ISO 3104 / ASTM D445 mm²/s 15.5
Viscosity Index ISO 2909 / ASTM D2270   100
Total Base Number, TBN ASTM D2896 mg KOH/g 8.0
Flash Point (COC) ISO 2592 / ASTM D92 °C 224
Pour Point ISO 3016 / ASTM D97 °C -24
Sulphated Ash ISO 3687 / ASTM D874 % wt 0.77

The above figures are typical of those obtained with normal production tolerance and do not constitute a specification.

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