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

It’s an advanced, next-generation engine oil standard focusing on ultra-low viscosity oils for modern engines. When purchasing oil, look for the API Service Symbol "Donut" on the label, which is an ...

API CK-4 and FA-4 diesel engine oils have been available for nearly two years, but with several combinations of categories and viscosities available, it can be difficult to decide which best fits your ...

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 rebuild ...

With the American Petroleum Institute's Lubricants Group approving the transition into the development phase of Proposed Category-12 (PC-12), the replacement process for engine oil categories CK-4 and ...

December 1, 2016, marked the official availability of two new diesel engine oils, CK-4 and FA-4. These new oils, as most are aware, were developed to meet the more demanding lubrication and ...

With the transition to the new API CK-4 and FA-4 oil categories, one of the challenges is figuring out the right oils for your application. CK-4 oils, for example, are designed for both newer engines ...

A new generation of heavy-duty diesel engine oil is headed our way in the next 12 to 18 months. Known currently as PC-12, or Proposed Category 12, the oils under development through the American ...

For any vehicle, the most important factor in prolonging its usability and preserving its performance is regular maintenance and servicing. For vehicle maintenance, oil changes are essential because ...