Every engine requires oil to function, though oil itself has changed a lot over the decades. It's no longer a bad idea to use ...

However, because recent filtration improvements have resulted in a potential oil life of at least three years, the economics of using synthetic gear oil could be justified. The synthetic ISO 460 R ...

Synthetic oil is fundamentally different from its conventional counterpart. It's artificially manufactured to have the optimal properties for the grade in question, which means it doesn't need ...

But synthetic oils have come to dominate high-end lubricants in terms of performance, while greases are now formulated to be suitable for gears and are the least expensive type of gear lubricant.

AMSOIL has added a new viscosity to the AMSOIL SEVERE GEAR® Synthetic Gear Lube family. New AMSOIL SEVERE GEAR® 75W-85 Extreme-Pressure Gear Lube is engineered for maximum performance in severe ...

Yes, you can mix conventional and synthetic oil — doing so will not harm your engine, but it may remove or diminish some of ...

Consider using synthetic gear lube. Larry Ludwig, chief chemist with Schaeffer Oil, says synthetic oils reduce gearcase operating temperature in two ways. “Synthetic lubes reduce friction, and ...

For synthetic oil, you should expect to pay anywhere from $65 to $125, but you make up some of the cost since synthetic oil lasts longer and has to be changed less frequently.

Triton Synthetic Gear Lube 75W90 and 80W140 are certified to meet the latest Dana SHAES 256 Rev C specification for extended drain gear oils. Approved for 500,000-mile drain service in Dana heavy ...

Modern synthetic oils last an incredibly long time. Thanks to all the detergents, additives, and other concoctions in them, these oils might be good for anywhere from 7,500 miles to 15,000 miles.