Diesel Oils

15W-40 Commercial Grade Diesel Oil 50% Synthetic AMSOIL’s newest Diesel oil is dialed in for your commercial equipment using normal service intervals but wanting longer life and better performance.  We now have a product customers can buy at the same price (better as a preferred customer or commercial account) of our competition but a better […]

Can I Use Diesel Oil in My Gas Engine?   Motorists may favor diesel motor oils over their gasoline counterparts for a few different reasons. Diesel oil is perceived as more “heavy-duty” than gasoline oils Some motorists desire a higher viscosity, and it may be easier to find a 5W-40 or 15W-40 diesel oil than gasoline […]

Ultra-low-sulfur diesel lacks Needed Lubricity Mark Nyholm | TECHNICAL MANAGER, HEAVY DUTY AND MECHANICAL R&D Fortunately, we have a simple solution. It feels like forever ago, but it’s only been 13 years since the U.S. Environmental Protection Agency (EPA) mandated reduced sulfur content in diesel fuel, in 2006. Boy, were people angry. They knew sulfur […]

DTT1G, Signature Series Max-Duty Synthetic Diesel Oil 10W-30

CHOOSING THE RIGHT DIESEL OIL Yes Sir, we announced the introduction of AMSOIL Signature Series Max-Duty Synthetic Diesel Oil and Heavy-Duty Synthetic Diesel Oil a couple of years back. I thought I would pair up the main diesel oil choices so you can match them together. These choices cover all the main viscosity options. The […]

Ultimate Protection for Competition Diesel Engines Whether competing in sled pulls, drag races or dyno challenges, competitors using DOMINATOR® 20W-50 Competition Diesel Oil enjoy the confidence and security that come with providing their diesel trucks maximum protection and performance. Racing and high-performance diesel engines are modified to deliver maximum horsepower and torque. Their powerful designs create shearing forces […]

Competition diesel oil

Should You Use Diesel Competition Oil? Mark Nyholm|Apr 10, 2018 11:44 AM April is here, and for those who love to spend time at the drag strip challenging their reaction time, on a dirt strip hooked to a sled, or tied down on a roller dyno grunting for power, the diesel competition season is upon […]

viscosity increase

AMSOIL Synthetic Diesel Oil Greatly Outperforms Minimum Standards Shell* recently announced that a sample of “Mobil Delvac 1300* Super 15W-40 did not meet the passing limits for either API CK-4 performance standards, nor the more stringent requirements for Volvo*, MACK* and Cummins*.” The 360-hour Volvo T-13 test measures both oxidation and Kinematic Viscosity, indicating an […]

Competition diesel oil

New DOMINATOR® Competition Diesel Oil Everyone is talking about this one – well OK, but I’m sure a few are..  These engines pose problems which causes much more to be desired with the oil so AMSOIL once again calls it spot on!! Resists the breakdown from high levels of soot!! The newest addition to the […]

signature series diesel oil

Next-Generation Diesel Protection New Signature Series Max-Duty Synthetic Diesel Oil and Heavy-Duty Synthetic Diesel Oil Provide Best-in-Class Engine Protection. New Signature Series Max-Duty Synthetic Diesel Oil (DHD, DZF, DEO, DME) replaces Premium Synthetic Diesel Oil (DEO, DME). New Heavy-Duty Synthetic Diesel Oil (ADN, ADO, ADP) replaces OE Synthetic Diesel Oil (OED, OEC). AMSOIL Signature Series […]

Signature Series Diesel Upgrades

A Closer Look at the New AMSOIL Synthetic Diesel Oil Lineup An Interview with Alan Amatuzio New Signature Series Max-Duty Synthetic Diesel Oil and Heavy-Duty Synthetic Diesel Oil represent a leap forward for diesel engine protection and performance. We sat down with AMSOIL Co-President & COO Alan Amatuzio to learn what this means for customers. […]

changing diesel oil

Choosing the Right Diesel Oil 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. How can you decide which oil is right for you? Signature Series 5W-30 (DHD) Newer Over-the-Road Trucks Mixed […]

New AMSOIL Diesel Oils for 2017

Better Diesel Protection with New Line of AMSOIL Diesel Oils John Baker|Feb 06, 2017 8:05 AM If you care at all about diesel vehicles, and chances are you do considering you’re reading this, you know the industry has undergone a recent change. The new API CK-4 and FA-4 diesel oil specifications have taken effect, replacing […]

Turbodiesel Problems

Maximum Protection for Turbodiesels AMSOIL synthetic diesel oils are well-suited for the extreme operating conditions of turbodiesel engines. While gasoline engines still cover the majority of the North American passenger-vehicle market, turbodiesel-powered vehicles have grabbed the spotlight and gained a strong foothold in recent years. Owners appreciate the modern technology advancements that effectively combine traditional […]

Love the EPA

Changes in the Diesel Market Diesel engine technology must deliver reduced emissions and improved fuel economy without sacrificing power. Knowledge is everything in this Diesel World of Today I sure hope this blog entry gets a good number of reads. This is a subject you’ll want to have time to prepare for. Although these transitions […]

truck with amsoil bypass kit

Federal regulations are dictating new diesel oil trends resulting in greater oil consumption. AMSOIL’s position as the innovator over the decades sets the advantage to overcome these challenges early on. By Chris Sharon, AMSOIL HQ Using a good diesel oil is essential to keeping engine components clean and protected. But changing tides may be dampening the level […]

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