Mobil Delvac™ 1230

Mobil Delvac™ 1230

Mobil Delvac™ 1230 and 1240 are heavy duty, diesel engine oils formulated from high performance base oils and a balanced additive system of ashless dispersants, metallic detergents, and inhibitors to control oxidation, wear, corrosion, and rust. They are used in a wide range of applications where a monograde lubricant is recommended including 2-cycle diesel applications (e.g. the Detroit Series 53, 71 and 92 two-cycle engines).

Features and Benefits

Features Advantages and Potential Benefits
Excellent oxidation and thermal stabilityKeeps engines clean and extends oil life
Good rust and corrosion preventionLong engine and component life


  • Diesel powered equipment including 2-cycle applications
  • On highway light and heavy duty trucking
  • Off highway industries including: construction, mining, quarrying, and agriculture
  • Mobil Delvac 1230 is suitable for use in lawn mowers. *

* Please refer to owners manual.

Specifications and Approvals

Mobil Delvac 1200 Series are recommended by Imperial Oil for applications requiring:12301240

Typical Properties

Mobil Delvac 1200 Series12301240
SAE Grade  3040
Viscosity, ASTM D 445  
cSt @ 40ºC108144
cSt @ 100ºC12.014.0
Viscosity Index, ASTM D 227010093
Sulfated Ash, wt%, ASTM D 8740.800.80
Total Base # , mg KOH/g, ASTM D 28965.85.8
Pour Point, ºC, ASTM D 97-21-18
Density @ 15ºC kg/l, ASTM D 40520.8900.8920
Flash Point, ºC, ASTM D 92238240


The products described on this data sheet are manufactured from high quality petroleum base stocks, carefully blended with selected additives. As with all petroleum products, good personal hygiene and careful handling should always be practiced. Avoid prolonged contact to skin, splashing into the eyes, ingestion or vapour inhalation. Please refer to the Material Safety Data Sheet for further information.

Note: The products described on this data sheet are NOT controlled under Canadian WHMIS legislation.