Mobil Delvac 1240

Heavy Duty Diesel Engine Oils

Mobil Delvac 1240 is a heavy duty, diesel engine oil 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.  It is used in a wide range of applications where a SAE 40 monograde lubricant is recommended including 2-cycle diesel applications (e.g. the Detroit Diesel's Series 53, 71, and 92 two-cycle engines).

 

Equipment lubricant recommendations

Our Mobil Serv℠ Product Selector tool will help you identify lubricant(s) for your specific equipment.

Datasheets

Features and Benefits

Features

Advantages and Potential Benefits

Excellent oxidation and thermal stability

Keeps engines clean and extends oil life

Good rust and corrosion prevention

Long engine and component life

 

Applications

     Recommended by ExxonMobil for use in:

  • Diesel powered equipment including 2-cycle applications
  • On highway light and heavy duty trucking
  • Off highway industries including: construction, mining, quarrying, and agriculture

 

Specifications and Approvals

Mobil Delvac 1240 is recommended by ExxonMobil for use in applications requiring:

Mobil Delvac 1240

API CF-2/CF/SF

X

 

Typical Properties

Mobil Delvac 1240

 

SAE Grade

40

Viscosity, ASTM D 445

 

cSt @ 40ºC

158

cSt @ 100ºC

15.5

Viscosity Index, ASTM D 2270

99

Sulfated Ash, wt%, ASTM D 874

0.8

Total Base # , mg KOH/g, ASTM D 2896

7.1

Pour Point, ºC, ASTM D 97

-21

Flash Point, ºC, ASTM D 92

247

Density @ 15ºC kg/l, ASTM D 4052

0.90

 

Health and Safety

Based on available information, this product is not expected to produce adverse effects on health when used for the intended application and the recommendations provided in the Material Safety Data Sheet (MSDS) are followed. MSDS's are available upon request through your sales contract office, or via the Internet. This product should not be used for purposes other than its intended use. If disposing of used product, take care to protect the environment.