CHOOSING THE RIGHT DIESEL OIL
The introduction of AMSOIL Signature Series Max-Duty Synthetic Diesel Oil and Heavy-Duty Synthetic Diesel Oil brings even greater protection and performance, as well as additional viscosity options.
Signature Series 5W-30 (DHD)
Newer Over-the-Road Trucks Mixed Fleets
Signature Series 5W-30 is a versatile oil aimed at mixed fleets of diesel and gasoline vehicles, simplifying maintenance and lubricant inventory. Its extended-drain capability further maximizes convenience and minimizes downtime for fleet managers with busy schedules.
It is also an outstanding option for newer over-the-road trucks that come factory-filled with 10W-30 for improved fuel economy.
- 6X more engine protection*
- Recommended for both diesel and gasoline vehicles, simplifying maintenance and lubricant inventory
- Excellent fuel economy
- Outstanding cold-temperature performance
- Extra protection for extended drain intervals
Heavy-Duty 10W-30 (ADN)
Newer Over-the-Road Trucks Smaller Off-Road Equipment Some
Turbodiesel
Pickups
Many newer over-the-road trucks come factory-filled with 10W-30 for improved fuel economy. Heavy-Duty 10W-30 is ideal for customers who want to maintain the improved fuel efficiency afforded by a 10W-30.
It also provides outstanding protection for smaller off-road equipment and turbodiesel pickups specifying 10W-30 (Ford** specifies 10W-30 for normal service).
- 4X more engine protection*
- Excellent opportunity for price-conscious customers to move up to AMSOIL quality
- Improved fuel economy
- Outstanding protection for OEM-recommended drain intervals
Signature Series 0W-40 (DZF)
Diesel-Powered Vehicles and Equipment Operating in Cold Climates
Signature Series 0W-40 is formulated specifically for applications operating in extreme cold. Most over-the-road trucks and heavy equipment are parked outside. Signature Series 0W- 40 provides the ultimate cold-weather protection and performance, helping engines turn over faster and reducing start-up wear.
- 4X better cold-temperature performance***
- Reduces unnecessary idle time. Engines can be shut down with confidence of restart.
- Extra protection for extended drain intervals
Signature Series 5W-40 (DEO), Heavy-Duty 5W-40 (ADO)
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.
- Outstanding cold-cranking ability and startup protection
- Excellent fuel economy
Heavy-Duty 5W-40
- 4X more engine protection*
- 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 protection*
- Ideal for customers seeking the ultimate wear protection in severe operating conditions
- Extra protection for extended drain intervals
Signature Series 15W-40 (DME), Heavy-Duty 15W-40 (ADP)
Best seller here in Sioux Falls!! The Heavy Duty is an excellent bargain!
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.
- Reduced oil consumption
- Outstanding shear stability, ensuring superior viscosity retention and wear protection in the most severe environments
Heavy-Duty 15W-40
- 4X more engine protection*
- 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 protection*
- Ideal for customers seeking the ultimate wear protection in severe operating conditions
- Extra protection for extended drain intervals
Outstanding Protection for Ford* Power Stroke* Engines
Ford Motor Company recently released its position on the upcoming new API CK-4 and FA-4 diesel oil specifications, claiming it will only recommend diesel oils that meet the Ford WSS-M2C171-F1 specification or oils formulated specifically for the previous API CJ-4 specification.
Questions have arisen regarding why Ford would condemn use of CK-4 and FA-4 products in its Power Stroke engines. According to Ford Service Lubricant Technical Expert Ron Romano, “6.7L engines tested on CK-4 and FA-4 formulations had experienced valve train wear not encountered with CJ-4 formulations.” The CJ-4 formulations contained more than 1,000 parts per million phosphorus, an effective antiwear ingredient, while some CK-4 and FA-4 formulations were below that threshold. As a result, Ford declared that it has wear concerns about the use of CK-4 and FA-4 formulations with less than 1,000 ppm phosphorus in new and older Ford engines.
With the exception of AMSOIL Signature Series 5W-30 Max-Duty Synthetic Diesel Oil, all the new AMSOIL diesel oils provide boosted levels of phosphorus, are recommended for the Ford 6.7L engine and will carry the Ford WSS-M2C171-F1 specification. We have no concerns whatsoever that new Signature Series 5W-30 Diesel Oil will meet the wear protection requirements for the Ford 6.7L engine; however, we are choosing not to include the Ford WSS-M2C171-F1 specification and the 6.7L engine application on this product. Ford has identified a minimum phosphorus level, and Signature Series 5W-30 is below that minimum. Once the 6.7L engine test becomes available (today, it is not yet ready), we will demonstrate the superior wear protection of Signature Series 5W-30 in the Ford 6.7L engine. AMSOIL Dealers and customers can be well-assured that all Ford Power Stroke engines, no matter the model year, are well-protected when using AMSOIL synthetic diesel oils.
