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 ...

Modern engine oil does more than lubricate internal parts. It absorbs heat from the pistons and cylinder walls, working in conjunction with the cooling system to maintain the engine at the required ...

Diesel and gasoline engines might look alike under the hood, but they use oil in very different ways. Gas engines run cleaner, but diesels create much more soot, crank out higher compression forces, ...

Many enthusiasts look to diesel motor oil as a high-zinc alternative, but is it the best choice? A certified lubrication expert explains the difference. It is widely known that diesel engine oils ...

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 ...

Hello David, the 1KDFTV 3.0L D4D and 2KDFTV 2.5L D4D turbocharged and intercooled diesel engines found in the Toyota Hilux vehicles, especially those that are around 15 years old, are renowned for ...