The American Petroleum Institute's new diesel engine oil-service categories, API CK-4 and FA-4, will begin appearing in the marketplace on Dec. 1.

Three years from now, you'll see a new API diesel engine oil-service category, designed to help meet federal greenhouse gas/fuel economy standards, which have a final phase-in date set for model ...

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 ...

API Approves Development of PC-12 Diesel Engine Oil Category Fleets and drivers should expect improved oil performance, which supports enhanced engine durability and aids in meeting regulations.

The API CJ-4 oil category includes 9 fired engine tests and 6 bench tests. The new multi-cylinder tests in the category include Caterpillar C13, Cummins ISB, Cummins ISM, Mack T-12, and Mack T-11, ...

The new API CK-4 oils deliver many benefits that directly address major issues with off-road equipment, including extended drain intervals, reduced engine wear, and ability to extend engine ...

This new category will replace the current API CK-4 and FA-4 engine oils in 2027. Developing a new engine oil category is no easy task.

Lower-viscosity oil grades— 15W40, 10W30 and 5W30-- will be a prominent aspect of PC-11 as the category continues to be developed into one or two new API ratings, McGeehan added.

In addition to the oil type, you'll want to pay attention to the API service category and viscosity ratings shown on the labels of even the best motor oil brands before pouring them into your engine.

API-licensed products designated API CI-4 will become available in August 2002. API CI-4 oils are pivotal components in maintaining diesel engine durability using cooled EGR. API CI-4 is a higher ...

Engine oil products that have the API category and ratings, including the S on their containers, have undergone the voluntary Engine Oil Licensing and Certification System - EOLCS from the API.