DUHP14C1L, Petro Canada, Ultra High Performance heavy-duty diesel engine oil

• Ultra Durability: DURON UHP has excellent resistance to oxidation and is formulated with outstanding shear stability.
• Ultra Shear Stability: Proven shear stability helps keep DURON UHP to stay in grade even over long periods of heavy-duty use, giving you the film strength for better engine protection.
• Ultra Tough in Extreme Temperatures: DURON UHP is formulated to protect critical engine components in both hot and/or cold temperature extremes, as well as the toughest of drive cycles.
• Ultra High Protection: Even under extreme conditions, DURON UHP can provide superior long term protection against engine wear and the build-up of engine deposits and harmful sludge which helps extend drain intervals. [1]

Specification