#ck-4

Results in on Four API CK-4 Diesel Engine Oils

The results are in on the first four samples of diesel engine oil PQIA observed in the market labeled with the new API CK-4 performance specification. Each of the samples examined meet the SAE J300 specification for an SAE 15W-40 along with the phosphorus and Noack volatility requirements needed to meet the new API CK-4 specification. The results of other tests conducted on the samples are…

Next Up: CK-4 and FA-4 Diesel Engine Oils

The PQIA has received a significant number of inquiries from readers asking if and when PQIA will take a look at the new CK-4 and FA-4 diesel engine oils. The answer is “yes” we will be looking at both as they enter the market and PQIA already has samples in the laboratory for testing. Results for the first group of samples will be published in the next two weeks. For those unfamiliar with CK-4…