Amsoil has a complete line of diesel engine synthetic oils. The line features the Signature Series Max-Duty Synthetic in 5W-40, 5W-30, 10W-30, 15W-40, and 0W-40 grades. The line also includes ...

ConocoPhillips Co. announced today, Aug. 18, the introduction of Kendall SHP Diesel 5W40 Full Synthetic, which it describes as a premium-tier API CJ-4 diesel engine oil made from high-quality ...

Demands on heavy-duty diesel engine oils have changed alongside engine technology and fuel formulations. “As engine technology and fuel technology have evolved, the environment in the crankcase has ...

Regardless of whether it burns gasoline or diesel, your internal combustion engine works by igniting a mixture of fuel and air to create power. To do so effectively, it must reduce the detrimental ...

Many enthusiasts look to diesel motor oil as a high-zinc alternative, but is it the best choice? A certified lubrication expert explains the difference. It is widely known that diesel engine oils ...

An oil change is a great starter task for anyone learning about car maintenance, but picking the right oil for the engine to is just as important as technique, especially when faced with deciding ...

When choosing between two different types of motor oil for your car, it is helpful to understand these oil classifications. They conform to the Society of Automotive Engineers multigrading system, ...

Choosing the right motor oil is paramount to car maintenance. It's not a particularly exciting task, whether shopping for or changing your oil, but if you don't pay the proper attention, then you aren ...