Delvac Elite 15w40


Mobil Delvac Elite 15W-40 is a synthetic blend heavy-duty diesel engine oil that meets the CJ-4 specification, provides the highest level of protection in severe on- and off-highway to modern, high performance diesel engines with Exhaust Gas Recirculation (EGR), Aftertreatment Systems with Diesel Particulate Filters (DPFs) and Diesel Oxidation Catalysts (DOCs).

It exhibits outstanding low temperature fluidity, high temperature viscosity retention, and piston deposit control. Mobil Delvac Elite 15W-40 diesel engine oil is highly recommended by various engine builders for use in all high performance diesel engines.

Mobil Delvac Elite 15W-40 diesel engine oil is recommended by ExxonMobil for use in:

  • Naturally aspirated and turbo-charged diesel powered engines
  • On-highway light and heavy duty trucking, including mixed fleets
  • Off-highway industries including: mining, construction, quarrying, and agriculture

Features & Potential Benefits

The quality and reliability built into Mobil Delvac Elite 15W-40, as a CJ-4 oil, delivers the highest level of protection in both new diesel engines, as well as older models.

The key benefits include:

  • Oxidation performance superior to most conventional oils
  • Excellent anti-wear and anti-scuff properties
  • Extended drains beyond conventional oils
  • Excellent low-temperature performance allows oil flow to critical bearing surfaces at start-up and controls low-temperature sludge formation in stop-and-go service
  • Stay-in-grade shear stability protects engine parts at high operating temperatures and reduces oil consumption
  • Provides long drain capability compared with conventional mineral oils



Mobil Delvac Elite 15W-40 has the builder approvals:
Mack EO-O Premium Plus
Volvo VDS-4, VDS-3
Detroit Engine Oil 93K218
MB-Approval 228.31
Mobil Delvac Elite 15W-40 meets or exceeds the following industry and/or builder specifications:
Caterpillar ECF-3
Cummins CES 20081

Tech Details