Raj Petroleum Products Ltd is the supplier of Marathon Multigrade Engine Oil. Raj Petroleum Products Ltd offers ISO 9001:2000 manufacturing facilities. Marathon Multigrade Engine Oil exceeds the requirements of API CF4 and BIS: 13656 - 2002 E - DL4 specifications. These are long drain engine oil, improve fuel economy and are recommended for all types of petrol / diesel engines which are catalytic converter compatible. The Marathon Multigrade Engine Oil also provides wear protection to the engine under high load conditions. They retain adequate film thickness at extreme temperatures. These are the absolute control of corrosive wear with outstanding oxidation stability.