I don't care how fancy the oil additives get; once a year isn't often enough to prevent sludge and crud buildup over time.

A coal-fired power plant operating in the western U.S. was experiencing short gearbox life in its coal pulverizing operation. The AGMA 6EP (ISO 320) gear oil recommended by the OEM failed to provide ...

This particular diesel engine oil has been specially formulated to help offer the benefits of maximising ... In addition, the product is recommended where low ash oils are recommended or preferred by ...