Skip to main content


The following sections are provided for general information. If engine oil is to perform adequately, it must perform the following functions: The primary function of the engine oil is to lubricate moving parts of diesel engine of generator set. The oil forms a hydrodynamic film between metal surfaces. preventing metal - to - metal contact and reducing friction. When the oil film is not sufficient to prevent metal - to - metal contact, the following occurs : 1. Heat is generated through friction. 2. Local welding occurs. 3. Metal transfer results in scuffing or seizing.