No other heavy duty engine oil fights soot as well as Petro-Canada’s Duron. Period. It outperforms competitive conventional heavy duty engine oils, with proven performance and proven savings. Duron combines an amazing 99.9 % pure base oil with high performance additives for an advanced formula that protects engines and retains its fresh oil properties longer. So you save money through less engine wear, lower maintenance costs, and extended drain intervals.

Duron Synthetic 5W-40 - A full synthetic that meets the toughest standards for all season protection. 
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Duron XL Synthetic Blend 15W-40 - An exceptional Synthetic Blend with the latest global credentials and extended drain capabilities. 
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Duron 15W-40 - Premium protection against soot and for saving money.
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Technical Data Sheet  (PDF, 3 pp., 462 KB)

Duron Single Grade - A soot-fighting Single Grade for equipment operating on and off the highway.
Technical Data Sheet

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