Synthetic Diesel Oil
AMSOIL synthetic diesel oils deliver 6X more wear protection than required by industry standards. Purpose-built for heavy-duty on/off-road diesel engines and turbodiesel pickups.
AMSOIL Signature Series Max-Duty Synthetic Diesel Oil | Maximum Protection
AMSOIL Max-Duty delivers 6X more wear protection for diesel engines. Extended drain intervals up to 3X OEM recommendation. Available in 5 viscosities.
5W-30 10W-30 0W-40 5W-40 15W-40
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Browse the complete AMSOIL catalog for synthetic diesel oil products.
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