CH-4 heavy-duty diesel engine oil & nbsp & nbsp; & nbsp; & nbsp; ease of selected performance characteristics: 1, the engine operated in a variety of harsh conditions provide perfect protection; 2, extraordinary high temperature detergent and heat stability, effectively inhibit the production of piston deposits and maintain high standards of engine cleanliness; 3, extraordinary oxidative stability and dispersion, can effectively prevent the oil under high soot conditions viscosity increases excessively; 4, excellent anti foam, can quickly eliminate the bubbles in the oil, to ensure that the oil the normal lubrication; 5, extremely low volatility and excellent fuel economy. & nbsp; the scope of application: A prefix = o ns = urn:schemas-microsoft-com:office:office />