Emerald RT74 HD 15W40 is a “new generation” gasoline- and diesel engine oil, formulated with solvent refined base oils and a well-balanced choice of additives. Emerald RT74 HD 15W40 features the following properties:


  • Very powerful detergency, thereby reducing deposits in the hot zone of the engine to a minimum
  • Very powerful dispersion, which acts to prevent formation of sediment and sludge
  • Very resistant to corrosion and foaming
  • A high and stable viscosity index
  • a low sulphated ash number
  • a powerful activity against wear resulting in strongly reduced wear of piston-rings and cylinder-liners