Maxtop The fifth generation diesel engine oil of railway locomotive is made of deep refined mineral lubricating oil as the base oil, adding high quality additives such as clean dispersion, anti-oxygen and anti-corrosion. According to customer demand, we can produce five generations of railway locomotive diesel oil with different viscosity levels. Lubricating properties Reduce friction: The synthetic oil based formula effectively reduces internal engine wear. Anti-wear protection: form a stable oil film to extend the service life of the equipment. Reduce operating temperature: Excellent thermal stability to prevent oil deterioration at high temperatures.