Are Transmission Fluid and Gear Oil the Same?

1 Answers
PaigeRose
07/28/25 11:43pm
Gear oil and transmission fluid are essentially the same, but due to different application systems, although their oil properties are quite similar, they are used in different locations, hence the difference in naming. Gear oil is typically used in gear transmission mechanisms such as automobile steering gears, transmissions, and drive axles. It differs from engine oil in terms of usage conditions, composition, and performance characteristics. Below are some relevant details about the two: 1. Due to the high surface pressure during gear transmission, gear oil plays a crucial role in lubricating gears, resisting wear, cooling, heat dissipation, preventing corrosion and rust, cleaning, and reducing gear surface impact and noise. 2. Transmission fluid is an oil product used to keep a vehicle's transmission clean, ensuring its normal operation and extending the lifespan of the transmission system. It provides effective lubrication even at low temperatures and reduces oil loss under harsh operating conditions. Depending on the transmission structure, transmission fluid is further divided into automatic transmission fluid and manual transmission fluid.
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