For that reason, it is critical to understand the importance of oil viscosity in diesel engines, as it plays a major role in ...

Colder temperatures can change how well motor oil keeps your engine running. You may need to change the oil to maintain a ...

Every engine has a recommended oil viscosity, which can usually be found in the owner's manual or somewhere labelled in the engine bay. Mixing different oil viscosities is not typically ...

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 ...