18L/4L excellent pressure and wear resistance and good oxidation stability, effectively reduce wear and prolong the service life of the drive axle gear. To meet the demand in driven Bridge oil for all Dongfeng commercial vehicle, and can be used for Dongfeng transmission, transfer case and mechanical steering gear. & nbsp; & nbsp; & nbsp; the product is according to the custom Q/DFLCM4357-2006 Dongfeng Automobile Co., Ltd. standard of special products, superior to the American Petroleum Institute (API) GL-5 and international GB13895 the load of vehicle gear oil "standard, Dongfeng commercial vehicle is designated special products, specifically for Dongfeng commercial vehicle service station to use.