PCEO

HDDEO.com Quick Quiz

How well-versed are you in heavy duty diesel engine facts and figures?
Take our short quiz to test your knowledge!

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Welcome to HDDEO.com (intro video)

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Moving Up to API CK-4:
A Win for the Industry

The heavy duty diesel engine oil industry’s first category upgrade in a decade ushers in higher performance and opportunity for all. Find out why.

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ComparisonTool


Lubrizol Relative Performance Comparison Tool

Select a specification from 'Specification list' to add to the performance comparison.

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LUBRIZOL® CV9601 Video

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