The PennGrade 1® Legacy.
Based in Lebanon, Ind., our company has Indiana roots as deep as the traditions and values of the “Hoosier” state. The D-A Lubricant Company has been the proud manufacturer of quality lubricant products since 1919. Today, the D-A Lubricant Company includes the brands PennGrade®, PennGrade 1® as well as D-A Lubricants.
PennGrade® Motor Oil is built from the legacy of PennGrade 1® High Performance Motor Oil, or “The Original Green Oil®”. PennGrade® Motor Oil is built from the legacy of PennGrade 1® High Performance Motor Oil, or “The Original Green Oil®”. It is the same unique base oil cut and specially selected high-zinc, high-phosphorus formulation that’s been known and trusted by high-performance engine builders and vehicle owners for decades.