Protect your investment in diesel power and confidently extend drain intervals with AMSOIL’s top-grade synthetic diesel oil. AMSOIL Signature Series Max-Duty Synthetic Diesel Oil delivers 6X better wear protection than required by the Detroit Diesel DD13 Scuffing Test for Specification DFS 93K222. Advanced synthetic technology provides excellent viscosity control and outstanding extreme-temperature performance, while minimizing oil consumption. The result: protection that’s boosted to the max. Show Maximum Engine Protection Viscosity Control Excels in Extreme Temperatures Minimizes Oil Consumption APPLICATIONS Use in diesel engines and, where appropriate, gasoline engines requiring any of the following specifications:
COMPATIBILITY Aftermarket oil additives are not recommended for use with AMSOIL synthetic diesel oils. SERVICE LIFE Turbodiesel Pickup: Two times (2X) OEM1 recommendation, not to exceed 25,000 miles or one year, whichever comes first. Gasoline Engine Service Life Drain intervals may be extended further with oil analysis. 1Refer to your owner’s manual for OEM drain interval recommendations and guidelines for severe and normal service. Note: Extended drain intervals are not recommended for performance-modified engines, when using biofuels containing more than 10 percent ethanol or 15 percent biodiesel (B15) or for 2007-2009 Caterpillar* C13 and C15 on-highway engines. Extend drain intervals beyond OEM recommendations in these instances only with oil analysis. Note: 2007-2010 Dodge*, Ford* and GM* turbodiesel pickups are also not recommended for extended drain intervals when using DHD. HEALTH & SAFETY AMSOIL PRODUCT WARRANTY * All trademarked names and images are the property of their respective owners and may be registered marks in some countries. No affiliation or endorsement claim, express or implied, is made by their use. All products advertised here are developed by AMSOIL for use in the applications shown. Is 5W 40 oil for diesel?With a diesel truck, you will need a type of oil called 5w40. It is a more stable and less viscous oil that is specifically designed for diesel engines. It will help your engine work at the optimal temperature, which in turn will give you better performance and reduce engine wear.
Which oil grade is best for diesel engine?5W40: This oil is considered to be good for diesel cars. It can perform equally good as 0W40 albeit not in cold weather conditions. 5W30 or 10W30: Ideal for modern petrol engines.
Is Royal Purple good oil for diesel engines?Royal Purple HD Motor Oil is recommended for use in gasoline and diesel automotive, commercial fleet and stationary industrial engines.
What does 5W 40 oil mean?5w40 motor oil has a winter viscosity grade of five, meaning it's less viscous at very low temperatures, compared to, say, 10w40. It has a hot viscosity grade of 40, which means it is just as viscous as 10w40 at high temperatures but less viscous than oils such as 15w50.
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