Heavy-Duty Diesel Equipment Diesel Engine Oil

• Outstanding extreme-pressure protection
• Delivers 6X more wear protection¹
• Maintains proper viscosity (thickness)
• Minimizes oil consumption
• Maximizes fuel efficiency
• Excels in extreme temperatures

¹Based on third-party testing in the Detroit Diesel DD13 Scuffing Test for specification DFS 93K222 using 5W-30 as worst-case representation

• Outstanding extreme-pressure protection
• Delivers 6X more wear protection¹
• Maintains proper viscosity (thickness)
• Minimizes oil consumption
• Maximizes fuel efficiency
• Excels in extreme temperatures

¹Based on third-party testing in the Detroit Diesel DD13 Scuffing Test for specification DFS 93K222 using 5W-30 as worst-case representation

• Delivers 4X better cold-temperature performance¹
• Provides long-lasting engine protection
• Maintains proper viscosity (thickness)
• Minimizes oil consumption
• Maximizes fuel efficiency

¹When compared to SAE 15W-40 oil in the ASTM D5293 Cold Cranking Viscosity test

• Outstanding extreme-pressure protection
• Delivers 6X more wear protection¹
• Maintains proper viscosity (thickness)
• Minimizes oil consumption
• Maximizes fuel efficiency
• Excels in extreme temperatures

¹Based on third-party testing in the Detroit Diesel DD13 Scuffing Test for specification DFS 93K222 using 5W-30 as worst-case representation

• Outstanding extreme-pressure protection
• Delivers 6X more wear protection¹
• Maintains proper viscosity (thickness)
• Minimizes oil consumption
• Maximizes fuel efficiency
• Excels in extreme temperatures

¹Based on third-party testing in the Detroit Diesel DD13 Scuffing Test for specification DFS 93K222 using 5W-30 as worst-case representation

• Delivers 4X more wear protection¹
• Minimizes oil consumption
• Excels in extreme temperatures
• Helps keep trucks and equipment operating at peak performance
• Offers outstanding value

¹Based on third-party testing in the Detroit Diesel DD13 Scuffing Test for specification DFS 93K222 using 10W-30 as worst-case representation

• Delivers 4X more wear protection¹
• Minimizes oil consumption
• Excels in extreme temperatures
• Helps keep trucks and equipment operating at peak performance
• Offers outstanding value

¹Based on third-party testing in the Detroit Diesel DD13 Scuffing Test for specification DFS 93K222 using 10W-30 as worst-case representation

• Delivers 4X more wear protection¹
• Minimizes oil consumption
• Excels in extreme temperatures
• Helps keep trucks and equipment operating at peak performance
• Offers outstanding value

¹Based on third-party testing in the Detroit Diesel DD13 Scuffing Test for specification DFS 93K222 using 10W-30 as worst-case representation

Engineered for pre-2007 diesel engines in on-road applications as well as all model year diesel engines in off-road applications. High 12 TBN controls acids from combustion blow-by and EGR. Additives control soot thickening, oxidation and wear. Extended drain capabilities reduce downtime and motor oil expenses.

Engineered for pre-2007 diesel engines in on-road applications as well as all model year diesel engines in off-road applications. Also engineered for all gasoline engines recommending API SL specifications including turbo-charged vehicles. Provides superior wear protection and fuel efficiency.

AMSOIL DOMINATOR® 20W-50 Competition Diesel Oil is designed for professionals and enthusiasts who want a step up in diesel protection. It is specifically designed for high-horsepower diesel engines and delivers the benefits most important to diesel competitors, including robust durability, outstanding bearing protection and the ability to withstand the extreme pressures and temperatures common to diesel competition.