Re: Problems with ultra low sulfur diesel

Posted by Fuel-Supplier on February 28, 2007 at 17:41:06 from (71.56.48.246):

In Reply to: Problems with ultra low sulfur diesel posted by NC wayne on February 28, 2007 at 17:17:09:

Every major fuel supplier that follows ASTM specification will inject the currect amount of lubricity in every ultra low sulfur diesel (ULSD) diesel gallon sold. It's the law, and it is being carefully reconciled. I run dyed ULSD in my 60s vintage tractors without concern. Now here is the catch: Twenty percent of the fuel a "company" produces can be high sulfur diesel (HSD). True HSD has 5000 parts per million (ppm) sulfur content and does not require lubricity additive. The problem is that the HSD often has sulfur content BETWEEN 15 ppm (the ULSD maximum sulfur content) and 5000 ppm, and it may not have lubricity added by your fuel supplier. Note that anything above 15 ppm can be marketed as "high sulfur diesel". It must be dyed, but not all terminals (fuel suppliers) are adding lubricity to this product. Most major oils are doing so. Hence, therein lies the problem. Make sure your fuel supplier is adding the full dose of lubricity, whether it is ULSD, low sulfur diesel (500 ppm), or HSD. This changes July 2007 when all diesel, regardless of sulfur content, must have lubricity injected. Buy smart, or add an additive.

Replies:

• Re: Problems with ultra low sulfur diesel mj 23:20:49 02/28/07 (0)

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