SINOPEC Marine medium speed engine oil 4030 is prepared from a paraffin-base mineral base stock by blending with selected multiple additives of superior performance. The product is specially designed and formulated for lubrication in marine medium-speed trunk piston diesel engine or diesel fueled generator package burning fuels with sulfur content of 2.5%~3.5%. The product is approved by MAN B&W, the world famous diesel engine manufacturer.

SINOPEC marine medium speed engine oil 4025 is prepared from a paraffin-base mineral base stock by blending with selected multiple additives of superior performance. The product is specially designed and formulated for lubrication in marine medium-speed trunk piston diesel engine or diesel fueled generator package burning fuels with sulfur content between 2% and 2.5%.

SINOPEC marine medium speed engine oil 4020 is prepared from a paraffin-base mineral base stock by blending with selected multiple additives of superior performance. The product is specially designed and formulated for lubrication in marine medium-speed trunk piston diesel engine or diesel fueled generator package burning fuels with sulfur content about 1.5%.