Ultramar Quest 15W-40 is a premium engine oil for heavy-duty diesels that exceeds the requirements of API CJ-4 service category. That makes it suitable for use in 2007
EPA-compliant low emission engines powered by ultra low sulfur diesel and equipped with advanced exhaust aftertreatment technology. It features enhanced soot-fighting capabilities, improved wear protection, plus reduced oil consumption and piston deposits, says Ultramar.

Ultramar Quest 15W-40 is backwards-compatible with pre-2007 engines where API CI-4 Plus, CI-4 and CH-4 is recommended. It meets or exceeds the performance requirements of Caterpillar ECF-3, Mack EO-O Premium Plus 2007, Cummins CES 20081, Detroit Diesel Power Guard 93K218, and Volvo VDS-4.

Package availability includes 205-liter drums, 20-liter pails, and 4×4-liter cases.

For more information call the Ultramar help desk at 1-888-871-4404 or visit the website (see URL below).

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