1.AT automatic gearbox
AT gearbox uses hydraulic torque converter instead of clutch to shift gears, and the gear changes little and the connection is stable. Most luxury cars in the market use AT gearbox. The advantages of AT gearbox are low failure rate, very durable and not easy to break, and very worry-free. Disadvantages are high cost, poor fuel economy and a sense of frustration in shifting gears.
2.CVT stepless gearbox
CVT gearbox is composed of two tapered wheels and steel chain or steel belt. CVT gearbox has no fixed gear position, and the gear shift is completed by the mutual movement of two tapered wheels. CVT gearbox has the advantages of high fuel economy, smooth gear shift and obvious comfort, but has the disadvantages of low transmission efficiency, and the steel belt is easy to break due to violent driving.
3. Dual clutch gearbox
As the name implies, the dual-clutch gearbox is made up of two sets of clutch systems that shift gears with each other, corresponding to gears 1 3 5 7 and 2 4 6 respectively. The dual-clutch gearbox has dry dual-clutch and wet dual-clutch gearboxes respectively. The transmission efficiency of the dry dual-clutch gearbox is higher than that of the wet dual-clutch, but the heat dissipation efficiency is far less than that of the wet dual-clutch. The dry dual-clutch gearbox is prone to clutch overheating in congested road sections. The advantages of the dual-clutch gearbox are obvious dynamic response and positive gear shifting, which improves fuel economy to a certain extent. The disadvantage is that frequent gear shifting of the clutch in low-speed road sections will be
These three gearboxes are introduced here today. If you have any questions or want to add, please leave a message in the comment area!