HDEO 
New Test Results: AMSOIL, Mobil Special, Pennzoil, and Wolf’s Head
(0)March 31, 2023
The results of the tests conducted on these samples meet the SAE J300 specifications for the SAE Viscosity Grade listed on the product labels, and are consistent with the listed API Service Categories.
Test Results on Delo, Rotella and Delvac
Test results on samples of Chevron Delo 400 SDE, Shell Rotella T4, and Mobil Delvac 1300 Super. The three brands tested are SAE15W-40 viscosity grade, heavy-duty engine oil (HDEO) with API CK-4 credentials.
A Look at Delo, Delvac, and Rotella SAE 15W-40 Heavy-Duty
Chevron Delo 400 SDE Heavy Duty Diesel Engine Oil SAE 15W-40 API CK-4/SN, CJ-4, CI-4 PLUS The results of the tests conducted on this sample meet the SAE J300 specifications for the SAE Viscosity Grade listed on the product label, and are consistent with the listed API Service Categories. Read More> Mobil Delvac 1300 Super… Read More ›
Results in on Samples of Three Brands
Responding to Consumers As you will see when looking at the test reports and assessments for the products that follow, the Petroleum Quality Institute of America (PQIA) redesigned the format of its reports. In addition to a more contemporary look and feel and the mobile responsiveness of the reports, another change is the addition of… Read More ›
LABELING – RESPONSIBLE PARTY
The Fair Packaging and Labeling Act (FPLA) and the Uniform Packaging and Labeling Regulations requires each package of consumer commodities bear a label on which there is the name and place of business of the manufacturer, packer, or distributor. The National Institute of Standards and Technology’s uniform standards for packaging and labeling, contained in NIST… Read More ›
Wolf’s Head, SMB, Kendall, and XADO
Samples of the following four brands are the most recent examined by PQIA and the tests conducted on the samples meet the SAE J300 specifications for the SAE Viscosity Grade listed on the product label, and are consistent with the listed API Service Categories. The test results for one sample (SMB), however, show a product… Read More ›
Results for a Fourth Group of 15W-40s are in
The results are in on four more heavy duty diesel engine oils, and the tests conducted on the samples meet the SAE J300 specifications for
Mining the Minds in the Lubricants Industry
The Petroleum Quality Institute of America receives emails and phone calls nearly every day from consumers, marketers, blenders, and a number of others with questions about lubricant quality, performance, and other lubricant related issues on their minds. Whereas PQIA makes every effort to answer these questions, we take a pass on some because they are… Read More ›
Results in on More CK-4 HDEOs, Mining the Minds
Results for a Third Group of CK-4s are in In addition to PQIA’s ongoing effort to provide consumers with information about the quality of lubricants in the market, we present our readers with information and insights about trends and changes in the industry that can sometimes be seen in the data from the samples PQIA… Read More ›
Results for a Second Group of CK-4 HDEO – No Issues
Results for a Second Group of CK-4s are in In addition to PQIA’s ongoing effort to provide consumers with information about the quality of lubricants in the market, we present our readers with information and insights about trends and changes in the industry that can sometimes be seen in the data from the samples PQIA… Read More ›