... Perdurable is recommended for high-performance pressurized, heavy-duty diesel engines where an API CF-4 level performance is recommended ... tire oils i.e. CF,CE and CD). Such as diesel engines of DongFeng, JieFang, STEYR, Golden Dragon, Cummins, ... Xugong, Grab, Road roller, Bulldozer, Mining machines, Generator sets, Shovel loader, etc.Oil Drain Interval: 10000~15000Km. synthetic Diesel Engine Oil