Much like the fuel you fill into the tank of a diesel or gas car, the engine oil you use to lubricate the motor is also subtly different. Each oil is engineered to optimize the performance of a ...

Developers are creating ways to improve diesel emissions and fuel economy while also meeting alt-fuel equipment needs.

Always using the correct engine oil and fuel will create optimal running conditions for as long as possible. Older, high-mileage diesel engines are at higher risk for engine runaway, but can be ...

Viscosity is only one aspect of a heavy duty diesel engine oil. There is a complex mixture ... Engine builders have included SAE 10W-30 in lube recommendations since API CJ-4 was introduced ...