THE CHARACTERISTICS AND APPLICATION OF 80W/90 GEAR OIL FOR DRIVING AXLE ON HEAVY-DUTY AUTOMOBILE

The characteristics and application of 80W/90 gear oil for driving axle on heavy-duty automobile were introduced.The developed oil passed the full-size bench testes of CRC L-37,L-42,L-33,L-60-1 and the GL-5+ bench test fulfilled by Dongfeng Automobile Co.Ltd.Meanwhile,the oil also passed the hundred thousand kilometers road test performed by Dongfeng Automobile Co.Ltd and FAW Automobile Co.Ltd.Compared with GL-5 gear oil,the formulated oil exhibits much better properties,namely antirust anticorrosion properties,thermal oxidation stability,EP AW properties,antiwear durability as well as seal compatibility.