介绍了节能型75W/90重负荷车辆齿轮油的研制过程。研究结果表明,研制的75W/90重负荷车辆齿轮油,通过了CRC L-42、L-37、L-33、L-60全尺寸齿轮台架,达到了API GL-5水平,具有优良的极压抗磨性、热氧化安定性、防锈防腐性,并通过了FZG齿轮传动效率台架,具有一定的节能效果。 Introduced the energy-saving 75W / 90 heavy-duty vehicle gear oil development process. The results show that the developed 75W / 90 heavy-duty vehicle gear oil has passed the API GL-5 level with CRC L-42, L-37, L-33 and L-60 full-size gear racks and has excellent Extreme pressure and abrasion resistance, thermal oxidation stability, rust and corrosion resistance, and passed the FZG gear transmission efficiency bench, with a certain energy-saving effect.