Transmission oil can basically be used in automatic transmissions on the market. In fact, the design of each automatic transmission has different technical requirements. Even if the same type of transmission is configured in different models, its torque, weight, speed and structure will be different, so the original manufacturer has its own special transmission oil. Different transmission oil is one of the reasons that affect the shift quality.

根本区别是其摩擦体系的不同，HFM-ATF有着更细腻的油分子，以及的抗剪切能力，在半离合的状态下或在结合的一瞬间，作用在摩擦材料表面的油膜能起到一个非常有效的悬浮状态而打滑，能缓冲瞬间的强大冲击，让结合更加平顺，换档更加畅顺。同时细腻的油分子大大减少了卡阀现象，使阀体工作更加顺畅。

The fundamental difference is that the friction system is different. Hfm-atf has more delicate oil molecules and shear resistance. In the state of semi clutch or at the moment of combination, the oil film acting on the surface of friction material can play a very effective suspension state and skid, which can slow down the strong impact at the moment, making the combination more smooth and shifting smoother. At the same time, the fine oil molecules greatly reduce the valve sticking phenomenon, making the valve body work more smoothly.

变速箱油是保持排档系统清洁的油类用品，起到润滑延长传动装置寿命的作用，具有抗低温于低温时也能进行极有效的润滑效果，在严苛操作条件下减少油品损失。根据变速箱结构的不同，变速箱油又分为自动变速箱油和手动变速箱油。

Transmission oil is an oil product to keep gear shifting system clean. It can lubricate and prolong the service life of transmission device. It can also effectively lubricate at low temperature and reduce oil loss under severe operating conditions. According to the different structure of transmission, transmission oil is divided into automatic transmission oil and manual transmission oil.