Lubrication Engineers has released an SAE 5W-40 synthetic diesel oil for engines to help further extend drains. The Monolec Ultra Syn Heavy Duty Engine Oil is a multiviscosity ...

When it's freshly made, conventional 5W-30 motor oil acts like its synthetic counterpart, but over time, the chemical additives break down or vaporize, returning the oil to its original consistency.

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 ...

The resulting stew of chemicals yields a 5W-30 motor oil, common within the industry. When it’s brand new, a 5W-30 conventional motor oil acts exactly like a 5W-30 synthetic motor oil.

Shell's Rotella T6 oils are formulated for low wear performance at all temperatures. If you have a diesel engine and want a synthetic oil option, look no further than Shell’s Rotella. Compared ...

Understanding engine oil grades Engine oil is classified by two primary characteristics: viscosity and performance. Viscosity, in simple terms, refers to how thick or thin the oil is. The lower the ...

Automakers usually specify a 5W-20 or 5W-30 oil for colder temperatures, with a 10W-30 oil as optional for higher ambient temperatures. These three ratings cover most light-duty vehicles on the road.

offer improved cold weather performance and startup; are required in formulating lower viscosity heavy-duty engine oil grades such as 10W-30, 5W-40, 5W-30 and 0W-40; ...

Truck two runs a full synthetic 5W-40 at 60,000 mile drain intervals. Both trucks run 120,000 miles per year and require 15 gallons of oil per oil change.

If you have a diesel engine and want a synthetic oil option, look no further than Shell’s Rotella. Compared to a conventional 15W-30, this product can improve fuel economy by up to 2.8%, while ...