are required in formulating lower viscosity heavy-duty engine oil grades such as 10W-30, 5W-40, 5W-30 and 0W-40; hold potential for higher temperature performance (typically applies only to all ...

The starburst symbol on the left indicates that the oil has passed the service tests listed in the other doughnut. Viscosity refers to a fluid's resistance to flow. Most motor oils’ viscosity is ...

The Ford 6.7-liter Power Stroke diesel engine is known for reliability and durability. What type of oil does it use, and how much do you need at each change?

While mower maintenance is infrequent, it’s also important to do properly—starting with the correct type of oil for lawn ...

In the past, there have been similar shifts in preferred engine oil viscosity grades. An example is the transition in heavy duty diesel engine oils in the 1980s from monograde viscosity SAE 30 and ...