New from Lubrication Engineers Inc., Monolec Ultra Syn Heavy Duty Engine Oil is a broad-range multiviscosity synthetic oil for diesel engines that delivers year-round performance, wear protection, ...

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, ...

Shell Lubricants has introduced Shell Rotella T Synthetic 5W-40 heavy-duty motor oil, which it says meets or exceeds API CJ-4 specifications. The motor oil is formulated to offer significant ...

Houston – Pickup trucks play an important role in the lives of many people for work and leisure. Whether it’s construction, farming or to tow a trailer, many pickup truck owners rely on diesel engines ...

As for 5W-40 motor oil, Betner says using a fully synthetic base stock makes the most sense from a chemical perspective. “Both a 10W-30 and a 5W-40 will offer a fuel-economy advantage over a 15W-40 of ...

Inspection reveals that Mobil Delvac 1 ESP 5W-40 provides longstanding protection for Cummins marine main engine; after almost a decade of continuous use, minimal component wear and outstanding ...

For 2010, the U.S. Department of Energy expects diesel prices to average nearly $3 a gallon. As diesel prices head back up, it may be time to look at the possibility of switching to a more ...

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 ...