Inside an engine test cell at San Antonio’s Southwest Research Institute, which helped develop two new engine tests that define the wear-performance parameters of the new PC11-A and PC-11-B ...
The diesel engine oil available for your fleet is about to undergo a major change. Two new oil categories, CK-4 and FA-4, have been announced by the American Petroleum Institute (API) and will replace ...
January 1, 2027, will be the first license date for two new heavy-duty engine oil categories, if all goes as planned. An update from the American Petroleum Institute said it has made significant ...
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