PennGrade® Heavy Duty SAE 15W-40

PennGrade® Heavy Duty is a new generation of diesel engine protection. Advances in diesel engine technology have escalated significantly from what existed a decade ago. Today’s engines are substantially more powerful and efficient than once imagined. Changes made to achieve this have created more severe operating conditions that place new levels and types of stress on the engine oil. In response to this, the lubricant industry has adopted new performance standards, designated as API CK-4. Engine oils meeting this new standard must deliver increased levels of engine protection and oil durability that meet the needs of new engine designs while simultaneously providing a higher degree of protection for older model engines. Equipment manufacturers are adopting elevated standards at the same time to meet the specific needs of their engine designs.

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  • Viscosity
  • Packaging
  • Recommended Applications
  • Approved & Suitable for Use

SAE 15W-40

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
52105 6 Gallon Bag-in-a-box

Typical Applications

PennGrade® Heavy Duty Diesel Engine Oil performs 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 suitable for use


Meets the Performance Requirements of: API CK-4 (Backwards Compatible), CAT ECF-3, Cummins, CES 20086, DDC DFS 93K222, Deutz DQC III-10 LA, Ford WSS-M2C171-F1, Mack EOS-4.5, MTU Type 2.1, Renault RLD-4, Volvo VDS-4.5

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

Industries Served:

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