FLAXXUP FXD ULTRA 15 W 40 API CH-4- Exceeds international standards of API-CH4/SL,ACEA E7, MB228.3.MACK EOM plus, Cummins CES 20076/77, MAN 3275 and Volvo VDS 2 is a high performance multi grade engine oil exceeding the performance level of API CH4 , Excellent performance with extended oil drain intervals on low emission engines. Suitable for an highway & off high way applications