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.

根本區別是其摩擦體系的不同，HFM-ATF有著更細膩的油分子，以及的抗剪切能力，在半離合的狀態下或在結合的一瞬間，作用在摩擦材料表面的油膜能起到一個非常有效的懸浮狀態而打滑，能緩沖瞬間的強大沖擊，讓結合更加平順，換檔更加暢順。同時細膩的油分子大大減少了卡閥現象，使閥體工作更加順暢。

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.

變速箱油是保持排檔系統清潔的油類用品，起到潤滑延長傳動裝置壽命的作用，具有抗低溫于低溫時也能進行極有效的潤滑效果，在嚴苛操作條件下減少油品損失。根據變速箱結構的不同，變速箱油又分為自動變速箱油和手動變速箱油。

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.