AME
AMSOIL Synthetic 15W-40 Heavy Duty Diesel and Marine Motor Oil (AME) is recommended for extended drain intervals in engines that are unmodified and in good operating condition.

Diesel Engine Service

• Three times (3X) OEM* recommendation, not to exceed 50,000 miles/600 hours or one year, whichever comes first. Drain intervals may be extended further with oil analysis.

Gasoline Engine Service

• Two times (2X) OEM* recommendation, not to exceed 15,000 miles or one year, whichever comes first.

*Operating conditions and drain intervals for severe and normal service are defined by the OEM. Refer to your owner’s manual.

Note: Extended drain intervals are not recommended when using biofuels containing >10% ethanol or 5% biodiesel (B5). Follow OEM drain intervals or extend drain intervals with oil analysis.

 

ACD
AMSOIL Synthetic 10W-30/SAE 30 Heavy Duty Diesel Oil (ACD) is recommended for extended drain intervals in engines that are unmodified and in good operating condition.

Diesel Engine Service

• Three times (3X) OEM* recommendation, not to exceed 50,000 miles/600 hours or one year, whichever comes first. Drain intervals may be extended further with oil analysis.

Gasoline Engine Service

• Two times (2X) OEM* recommendation, not to exceed 15,000 miles or one year, whichever comes first.

*Operating conditions and drain intervals for severe and normal service are defined by the OEM. Refer to your owner’s manual.

Note: Extended drain intervals are not recommended when using biofuels containing >10% ethanol or 5% biodiesel (B5). Follow OEM drain intervals or extend drain intervals with oil analysis.

 

HDD
AMSOIL Synthetic 5W-30 Heavy Duty Diesel Oil (HDD) is recommended for extended drain intervals in engines that are unmodified and in good operating condition.

Diesel Engine Service

• Three times (3X) OEM* recommendation, not to exceed 50,000 miles/600 hours or one year, whichever comes first. Drain intervals may be extended further with oil analysis.

Gasoline Engine Service

• Normal Service – Up to 25,000 miles or one year, whichever comes first, or longer based on oil analysis.
• Severe Service – Up to 15,000 miles or one year, whichever comes first, or longer based on oil analysis.

*Operating conditions and drain intervals for severe and normal service are defined by the OEM. Refer to your owner’s manual.

Note: Extended drain intervals are not recommended when using biofuels containing >10% ethanol or 5% biodiesel (B5). Follow OEM drain intervals or extend drain intervals with oil analysis.

 

DEO
AMSOIL Premium API CJ-4 Synthetic 5W-40 Diesel Oil (DEO) is recommended for extended drain intervals in engines that are unmodified and in good operating condition:

Diesel Engine Service

• Three times (3X) OEM* recommendation, not to exceed 50,000 miles/600 hours or one year, whichever comes first. Drain intervals may be extended further with oil analysis.
• 2007-2009 Caterpillar C13, C15 on-highway engines must follow OEM drain interval.
• 2007-2010 Dodge 6.7L, Ford 6.4L, GM 6.6L LMM light duty diesel pickups must follow OEM drain interval. Drain intervals can be extended further with oil analysis.

Gasoline Engine Service

• Two times (2X) OEM* recommendation, not to exceed 15,000 miles or one year, whichever comes first.

*Operating conditions and drain intervals for normal and severe service are defined by the OEM. Refer to your owner’s manual.

Note: Extended drain intervals are not recommended when using biofuels containing >10% ethanol or 5% biodiesel (B5). Follow OEM drain intervals or extend drain intervals with oil analysis.

 

DME
AMSOIL Premium API CJ-4 Synthetic 15W-40 Diesel Oil (DME) is recommended for extended drain intervals in engines that are unmodified and in good operating condition.

Diesel Engine Service

• Three times (3X) OEM* recommendation, not to exceed 50,000 miles/600 hours or one year, whichever comes first. Drain intervals may be extended further with oil analysis.
• 2007-2009 Caterpillar C13, C15 on-highway engines must follow OEM drain interval.
• 2007-2010 Dodge 6.7L, Ford 6.4L, GM 6.6L LMM light duty diesel pickups must follow OEM drain interval. Drain intervals can be extended further with oil analysis.

Gasoline Engine Service

• Two times (2X) OEM* recommendation, not to exceed 15,000 miles or one year, whichever comes first.

*Operating conditions and drain intervals for normal and severe service are defined by the OEM. Refer to your owner’s manual.

Note: Extended drain intervals are not recommended when using biofuels containing >10% ethanol or 5% biodiesel (B5). Follow OEM drain intervals or extend drain intervals with oil analysis.

 

PCO
AMSOIL Synthetic Blend 15W-40 Heavy Duty Motor Oil (PCO) is recommended for use according to the longest service interval established by the engine, vehicle or equipment manufacturer. Drain intervals may be extended based on oil analysis.