What does AT transmission mean?

[MasonLee]

AT transmission refers to automatic transmission. The full English name of AT is Automatic Transmission, which means automatic gear. It consists of a torque converter, planetary gears, and a hydraulic control system, achieving speed and torque changes through hydraulic power transmission and gear combinations. It can automatically adjust speed and torque based on road conditions, preventing drivers from being overwhelmed by frequent gear shifts in complex driving situations. It is a type of automatic transmission that falls between stepped and continuously variable transmissions. Generally, an automatic transmission includes four positions: P (Park), R (Reverse), N (Neutral), and D (Drive). Additionally, there are 1 and 2 gears within the drive position, used for starting or climbing slopes.

[Henderson]

An AT transmission is an automatic transmission, meaning I don't have to shift gears manually while driving—the system handles everything. This makes daily driving incredibly hassle-free, especially in urban traffic, eliminating the need to operate a clutch. It uses a torque converter or electronic controls to adjust gear ratios, automatically shifting up or down based on speed and throttle input. I've driven many automatic cars, like those from Toyota and Ford, and they offer smooth starts, making them ideal for beginners or long trips. However, they might consume slightly more fuel than manuals due to lower transmission efficiency, and there's the added cost of regular transmission fluid changes. Overall, AT makes life easier and is a standard feature in modern cars. I'd recommend it to friends, especially when traveling with kids—no distraction from shifting gears means safer and more convenient driving. Many electric vehicles are now integrating similar tech, but AT remains the mainstream choice in gasoline cars.

[VonTucker]

The AT transmission, short for Automatic Transmission, is something I particularly enjoy studying as a car enthusiast. It transfers power through a torque converter and automatically shifts gears using planetary gear sets, eliminating the need for manual operation. Having disassembled several old car transmissions, I found their structures quite intricate, relying on valve body oil pressure to control gear shifts. The driving experience is incredibly smooth, especially during highway cruising or uphill driving, as the system intelligently adjusts torque. However, compared to manual transmissions, ATs are slightly more expensive and require specialized tools for maintenance. Relatedly, CVTs and dual-clutch DCTs are also variants of automatic transmissions, each with their own advantages—CVTs are more fuel-efficient but offer less driving engagement, for example. I often discuss with friends how to upgrade transmission software to improve responsiveness. In summary, AT simplifies complex engineering, making driving more intuitive.

[DiLouis]

An AT transmission is an automatic gear-shifting system, and I found it much easier to get the hang of driving an automatic car. It eliminates the clutch pedal, requiring only the use of the accelerator and brake, with gears shifting automatically. After switching from manual to automatic, I felt much more relaxed, especially in traffic jams where my legs didn't get tired. However, compared to manual transmissions, ATs may have slightly higher fuel consumption, noticeable gear shift jerks, and slightly higher maintenance costs. The advantages are clear: convenience, less physical effort, and reduced operational errors. It's recommended for beginners to start directly with automatic transmissions for easier adaptation.