D6 – Marine generator / Bunker oil
D6 Diesel is also known as Residual Fuel Oil / Bunker Fuel Oil, Bunker Oil and is of high-viscosity. This particular fuel oil requires preheating to 220 – 260 Degrees Fahrenheit. D6 is mostly used for generators. D6 is a type of residual fuel, mainly used in power plants and larger ships. Royal Petroleum offer D6 Diesel …