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What does DCT transmission mean?

2 Answers

DelSerenity

07/28/25 11:10pm

DTC transmission is short for dual-clutch transmission. It refers to two sets of clutches. The one cooled by air is called dry dual-clutch, while the one cooled by oil is called wet dual-clutch. DCT Transmission: The main body of a DCT transmission is a manual transmission, which can also be considered an upgraded version of a manual transmission. The DCT transmission has two sets of clutches, primarily responsible for shifting odd-numbered gears and even-numbered gears (including neutral gear), respectively. During operation, these two sets of clutch plates work alternately to complete the tasks of upshifting and downshifting in the DCT transmission. Generating significant heat: During the shifting process, the friction plates of the two clutches generate a substantial amount of heat due to intense friction. This is especially true when driving in congested urban areas, where frequent stop-and-go conditions occur. The transmission shifts gears more frequently, requiring the vehicle's transmission clutches to work continuously, thus causing the DCT transmission to generate a significant amount of heat.

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LeKing

08/12/25 3:34am

DCT stands for Dual Clutch Transmission, which is a type of dual-clutch gearbox. It has two clutches, one responsible for odd-numbered gears and the other for even-numbered gears, enabling seamless gear shifts. For example, when shifting from first to third gear, there's almost no noticeable jerk. I often encountered this design when repairing cars, and it's very popular in performance vehicles because it offers quick acceleration response and fuel efficiency. Compared to manual transmissions, it saves you the hassle of operating the clutch, yet provides more precise shifting than traditional automatic transmissions. However, some beginners might occasionally feel slight vibrations during low-speed starts, but this doesn't affect the overall driving experience, and maintenance isn't expensive. I suggest trying out more DCT-equipped models when choosing a car. For instance, Volkswagen's DSG is very reliable and delivers a smoother driving experience.

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