Types of Transmissions
A transmission is a device that conveys mechanical power from a vehicle’s engine to the drive wheel. This transmission reduces the crankshaft revolutions to reasonable levels using gears. So which are the different types of transmissions?
Below we discuss six types of transmissions.
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Manual transmission features a movable gear selector and clutch. The driver selects and engages all gears manually. This type of transmission is known as standard or stick shift transmission. The clutch is a device that is used to separate the transmission and engine. Without a clutch, the engine and, in turn, the car would stop. The clutch allows the engine to continue working even when the car is stopping.
Automatic transmission relieves the driver from shifting gears manually and stepping on the clutch. This transmission changes the gears automatically. More transmission gears mean a smoother acceleration.
Park mode in automatic transmission restricts the car from moving by locking the transition. The reverse mode allows the car to move backward while a neutral mode disconnects transmission from the wheel. Neutral mode causes wear in clutch plates and valves. The drive mode allows the driver to move and accelerate the vehicle through a range of gears. Other stages of automatic transmission are second gear and first gear.
Continuously Variable Transmission (CVT)
CVT uses pulley, sensors and belts to maintain a steady acceleration instead of gears. It has a continuously variable drive ratio as opposed to gear ratios. CVT increase efficiency and gas mileage since it can keep the engine in optimum power range. In comparison to the traditional automatic transmission, the CVT provides a smoother driving experience, more power and better fuel economy. CVT is capable of getting your car engine to the peak torque. It varies the transmission hence maintaining the torque well over a wide range of car speeds.
Dual Clutch Transmission (DCT)
DCT employs two shafts to change gears. One shaft handles old numbered gears while the other shaft manages even number gears. DCT system can shift from higher to lower gear within a second hence providing seamless accelerations. However, this transmission is known to have noise, hesitation and clutching problems.
Automated Manual Transmissions (AM)/Direct Shift Box
AM uses a mechanical clutch just like in a manual transmission. However, the clutch is not driver-controlled but rather automated to use hydraulic, electronic or pneumatic controls.
Tiptronic transmission is pretty much like an automatic transmission. However, instead of a clutch pedal, it uses a torque converter.
The two main transmissions are automatic and manual. When it comes to choosing between the two, several factors come into play including fuel economy, price and convenience.
With advancing technology, automatic transmissions seem to be having the upper hand.
Learn more about your vehicle’s transmission: