In response to a number of inquiries PQIA received over the past few months about heavy duty engine oils (HDEO), we took a look at HDEOs readily available on retails shelves. The results of the tests conducted on the first group of samples are consistent with their labeled claims. Click bottles below for details.
| SAE 10W-30 | SAE 15W-40 | ||||
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| Shell Rotella T |
Chevron Delo 400 XLE |
Mobil Delvac 1300 Super |
SuperTech | Mystik JT 8 |
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