Which AMSOIL Diesel Oil is Right for Me?

AMSOIL offers a full line of premium-quality synthetic diesel oils, but which AMSOIL diesel oil is right for your application? We break it down.

Signature Series Max-Duty 5W-30 Synthetic Diesel Oil

• MIXED FLEETS

Signature Series 5W-30 is a versatile oil aimed at mixed fleets of diesel and gasoline vehicles, simplifying maintenance and lubricant inventory.

· 6X more engine protection¹
· Outstanding cold-temperature performance
· Extended-drain capability maximizes convenience and minimizes downtime

Can I Use Diesel Oil in My Gas Engine?

Signature Series Max-Duty 0W-40 Synthetic Diesel Oil

• VEHICLES AND EQUIPMENT OPERATING IN COLD CLIMATES

Signature Series 0W-40 is formulated specifically for diesel applications operating in extreme cold, helping engines turn over faster and reducing startup wear.

· 4X better cold-temperature performance²
· Provides outstanding protection and performance
· Extra protection for extended drain intervals

Signature Series Max-Duty 10W-30 Synthetic Diesel Oil

Heavy-Duty 10W-30 Synthetic Diesel Oil

• NEWER OVER-THE-ROAD TRUCKS
• SMALLER OFF-ROAD EQUIPMENT
• TURBODIESEL PICKUPS

Many newer over-the-road trucks come factory-filled with 10W-30 for improved fuel economy. Signature Series 10W-30 and Heavy-Duty 10W-30 are ideal for customers who want to maintain the improved fuel efficiency afforded by a 10W-30. They also provide outstanding protection for smaller off-road equipment and newer over-the-road trucks calling for a 10W-30.

Heavy-Duty 10W-30
· 4X more engine protection³
· Excellent opportunity for price-conscious customers to move up to AMSOIL quality
· Outstanding protection for OEM-recommended drain intervals

Signature Series 10W-30
· 6X more engine protection¹
· Ideal for customers seeking the ultimate wear protection in severe operating conditions
· Extra protection for extended drain intervals

Signature Series Max-Duty 5W-40 Synthetic Diesel Oil

Heavy-Duty 5W-40 Synthetic Diesel Oil

• TURBODIESEL PICKUPS
• OVER-THE-ROAD TRUCKS
• HEAVY EQUIPMENT

Signature Series 5W-40 and Heavy-Duty 5W-40 are ideal for turbodiesel-pickup, over-the-road-truck and heavy-equipment owners who want the cold-weather and fuel-economy benefits of a 5W and the protection benefits of an SAE 40.

Heavy-Duty 5W-40
· 4X more engine protection³
· Excellent opportunity for price-conscious customers to move up to AMSOIL quality
· Outstanding protection for OEM-recommended drain intervals

Signature Series 5W-40
· 6X more engine protection¹
· Ideal for customers seeking the ultimate wear protection in severe operating conditions
· Extra protection for extended drain intervals

Signature Series Max-Duty 15W-40 Synthetic Diesel Oil

Heavy-Duty 15W-40 Synthetic Diesel Oil

• OVER-THE-ROAD TRUCKS
• OFF-ROAD EQUIPMENT
• TURBODIESEL PICKUPS

Signature Series 15W-40 and Heavy-Duty 15W-40 are the primary recommendations for most on- and off-road heavy-duty diesel applications in the marketplace; 15W-40 is the most widely used viscosity in the diesel world.

Heavy-Duty 15W-40
· 4X more engine protection³
· Excellent opportunity for price-conscious customers to move up to AMSOIL quality
· Outstanding protection for OEM-recommended drain intervals

Signature Series 15W-40
· 6X more engine protection¹
· Ideal for customers seeking the ultimate wear protection in severe operating conditions
· Extra protection for extended drain intervals

0W-20 100% Synthetic Diesel Oil

5W-30 100% Synthetic Diesel Oil

• SMALLER DIESEL PICKUPS, VANS, CARS AND SUVs

AMSOIL 100% Synthetic Diesel Oil is engineered to provide industry-leading protection and performance for smaller diesel pickups, vans, cars and SUVs requiring the following specifications:

0W-20
GM dexosD

5W-30
GM dexosD, dexos2; Chrysler MS-11106; Ford WSS-M2C214-B1; ACEA C3

Not for use in applications that require an API CK-4 (or prior) specification.

· 6X more engine protection⁴
· Helps extend engine life and reduce maintenance costs and downtime
· Outstanding protection for OEM-recommended drain intervals

DOMINATOR^® 20W-50 Synthetic Competition Diesel Oil

• MODIFIED, COMPETITION DIESEL ENGINES

DOMINATOR 20W-50 Synthetic Competition Diesel Oil is engineered for modified, competition diesel engines and the high-horsepower demands of sled pulling, dyno runs and drag racing.

· Delivers 50% more film thickness⁵
· Jacked with extra zinc and phosphorus for bulletproof wear protection
· Provides professionals and enthusiasts with the power, protection and confidence needed to win

This information should provide everything you need to know to determine which AMSOIL diesel oil is right for your application. You can also use our Product Guide or contact AMSOIL Technical Services for more ([email protected]; 715-399-TECH).

¹Based on third-party testing in the Detroit Diesel DD13 Scuffing Test for specification DFS 93K222 using 5W-30 as worst-case representation.
²When compared to SAE 15W-40 in ASTM D5293 Cold-Cranking Viscosity test.
³Based on third-party testing in the Detroit Diesel DD13 Scuffing Test for specification DFS 93K222 using 10W-30 as worst-case representation.
⁴Based on third-party testing in the OM646LA cam wear test using 0W-20 as worst-case representation.
⁵Compared to the 3.5cP HTHS limit for SAE 15W-40.