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Reliant™ Premium Diesel Engine Oil SAE 15W-40

D-A Lubricant Company developed Reliant™ Premium to respond to the new challenges of diesel engine protection. Formulated to exceed the basic industry standards, Reliant™ Premium offers users a truly differentiated option from the average engine oil. Compared to previous generations, or products just meeting the new standards, Reliant™ Premium will deliver:

  • Substantial engine durability improvements for long, reliable equipment life
  • Enhanced resistance to oil breakdown to maintain flow properties and maximize drain interval potential
  • Exceptional ability to suppress harmful acids generated in combustion
  • Confidence of performance in both new and older vehicle models (backwards compatible)
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  • Viscosity
  • Packaging
  • Recommended Applications
  • Approved & Suitable for Use

SAE 15W-40

Traditional diesel engine oil viscosity profile

Viscosity profiles meet the full requirements for protection and performance. Always consult your owner’s manual for proper oil viscosity and quality selection guidance.

Packaging Options

Available in a wide range of packaging including:

Part Number Packaging
52001 Bulk
52002 55 Gallon Drum
52003 330 Gallon Tote
52004 4/1 Gallon Jug Case
52005 6 Gallon Bag-in-a-box
52006 12 Quart Case
52008 5 Gallon Plastic Pail
52009 5 Gallon Metal Pail

Typical Applications

Reliant Premium™ synthetic blend diesel engine oils perform in a wide range of heavy-duty
applications and in challenging operating environments found on- and off-road. The following
industry and specific equipment manufacturer standards are approved and/or suitable for use


API Approvals: API CK-4 (Backwards Compatible)
OEM Approvals: CAT ECF-3, Cummins CES 20086, Deutz DQC III-18 LA, DDC DFS 93K222, Ford WSS-M2C171-F1, Mack EOS-4.5, Renault RLD-4, Volvo VDS-4.5
Meets the Performance Requirements of: ACEA E9-16, Daimler MB228.31, JASO DH-2, MTU Type 2.1

For full product details, please click on the provided PDS sheet.

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