2017 Diesel oil standards from AMSOIL

Diesel oil is undergoing a major change. The new API CK-4 and FA-4 diesel oil specifications are here, and an overhauled AMSOIL synthetic diesel oil lineup is on the way, bringing even better protection and performance with it.

You can learn more about the the AMSOIL diesel oils and the API oil specifications HERE!

We engineer our synthetic diesel oils with the same passion and pride you put into your turbodiesel, providing protection you can depend on in the most severe operating conditions.

Signature Series Max-Duty Synthetic Diesel Oil

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6X better wear protection*

Formulated with top-grade synthetic technology and maximum additive fortification, AMSOIL Signature Series Max-Duty Synthetic Diesel Oil provides 6X better wear protection than required by a leading engine manufacturer’s standard* – it’s protection boosted to the max.

• Max-Duty protection against wear
• Significantly exceeds industry requirements
• Full specification coverage
• Reduced oil consumption
• Extended drain intervals

Heavy-Duty Synthetic Diesel Oil

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4x better wear protection*

We engineered AMSOIL Heavy-Duty Synthetic Diesel Oil to provide 4X better wear protection than required by a leading engine manufacturer’s standard*, giving you the edge to keep trucks and equipment on the job longer.

• Heavy-duty protection against wear
• Reduced oil consumption
• Excels in extreme temperatures