Ford Changes Super Duty Oil Formula Due to Unsatisfactory Tests

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Ford looks to protect truck owners with a new oil blend, and abandons formula developed by the American Petroleum Institute.

The 2017 Ford Super Duty has been an enormous success for the company in every sense of the word. Whether it’s direct sales to consumers looking to have the latest and greatest in heavy-duty trucks, or fleet sales businesses, the Super Duty once again proves that “Ford owns work.”

It’s because of all the owners that expect the best out of their trucks, that Ford has launched a new Motorcraft Super Duty Diesel Motor oil, which has been formulated to further support maximum life and performance of Ford Power Stroke diesel engines. But we’re wondering, what caused Ford to suddenly change the lubricant’s formula, especially after the Super Duty was launched with a different blend less than a year ago?

In a press release the Blue Oval, it claims that the new formula was developed after initial testing of the American Petroleum Institute’s category CK-4 diesel motor oil returned unsatisfactory wear results. It’s not clear whether this has affected other manufacturer’s diesel engines, or only the Ford Power Stroke motors.

“Ford Motor Company announces a new Motorcraft Super Duty Diesel Motor Oil meeting Ford specification WSS-M2C171-F1. This new Motorcraft diesel motor oil formulation offers superior engine protection and Ford is recommending its use in its Ford Power Stroke Diesel engines. Motorcraft Super Duty Diesel Motor Oil is formulated with premium hydroprocessed base oils and unique additive technology necessary to meet WSS-M2C171-F1. This new oil also meets the requirements of Cummins CES20086, Detroit Diesel 93K222, Volvo VDS-4.5 and Mack EOS-4.5, read the official statement.”

According to a Ford Parts spokesperson, the new formula is already available at dealerships and retailers across the country, but no word was given on whether Super Duty owners should replace their truck’s original oil. For more information contact your local dealership.

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Jerry Perez is a regular contributor to Ford Truck Enthusiasts, Corvette Forum, and 6SpeedOnline, among other auto sites.

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