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1. AUTOMATIC TRANSMISSION / AT
As the name suggests, this type of transmission changes gears automatically without any input from the driver. Your transmission does this for you automatically through the use of a variety of control systems.
More known as a torque converter automatic, This transmission uses a hydraulic fluid coupling or a torque converter to do the job of changing gears instead of a clutch. The gear system is also different it uses sun and planetary arrangement of gears. The ECU (engine control unit) is directly connected to this mechanism to allow smooth and precise engine control of the vehicle
2 Manual Transmission MT
A manual transmission or a stick-shift unit is a type of gearbox that requires driver-intervention to shift the gears. The driver has to engage the clutch by pressing/de-pressing the foot pedal and select an appropriate gear ratio by using the gear-selector lever to regulate the torque from the engine to the wheels.
3 DCT Dual Clutch Transmission
A combination of an automatic and manual transmission, a dual-clutch transmission has no torque converter. Instead, it uses two separate shafts with their own clutches for gear changing, one for odd-numbered gears, and one for even numbered ones.
Shifting to higher and lower gears are seamless, but they can get noisy and can shift roughly after wear. The DCT is a dry transmission that does not need the driver to change the gearbox fluid ever. It leaves the clutches dry and wears out its frictional quality eventually
4 CVT Continuous Variable Transmission
The continuously variable transmission (CVT) is increasingly found in smaller vehicles and hybrid. A CVT doesn’t use gears, but instead it uses belts and pulleys in a similar format. The pulleys can increase their diameter depending on the “gear” you need to be in to effectively keep your engine running at peak efficiency.
5 IMT Intelligent Manual Transmission
IMT is a ‘clutch less manual’. Yes, at its just a regular manual gearbox but without a clutch pedal. Driver changes the gear but clutch is operated by system automatically
In an iMT,, the software and actuators controls the clutch while you have to manually shift gears. In effect, an iMT sits sort of half way between a regular manual gearbox and an AMT.
6 AMT Automatic Manual Transmission
In AMT driver need not to change the gear , the actuators and motors change gears and operate the clutch for you. In function, then, it’s fully automatic. Software, of course, governs when and how the shifts happen. But in this type of system we also have advantage of shifting gear manually by paddle sifters