Check out World's Most Unusual Car Transmissions | ECVT vs PDK vs MMT
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 Published On Dec 17, 2023

Most people know that cars come with two basic transmission types. Manual and automatic. In manual the driver needs to change gears by depressing a clutch pedal and using a stick shift.

In Automatics, the transmission will change gears for you automatically based on driving conditions, meaning you never have to think about which gear to use.

But there's also something in between that offers the best of both worlds, known as the dual-clutch transmission. In this video, we are taking a look at these different car transmission types.

Dual-Clutch Transmission (DCT): A dual-clutch transmission closely resembles a manual transmission but uses two clutches to synchronize gear changes instead of one. Each clutch operates a different set of gears one controls the even-numbered gears while the other controls the odd-numbered gears.

Multimode Manual Transmission (MMT): A type of automated manual transmission used by Toyota. The Multimode Manual Transmission (MMT) is a type of transmission system used in certain Toyota vehicles. Unlike a traditional manual transmission, where the driver manually operates the clutch pedal and gear stick, the MMT system incorporates automated technology to handle these functions electronically. It uses a traditional manual gearbox with a computer-controlled clutch actuated by permanent magnet motors.

PDK Transmission (PDK): A type of dual-clutch transmission used by Porsche. First developed in 2009, PDK is an advanced transmission that has revolutionized gear shifting in Porsche vehicles. The basic principles of PDK are the same as most dual-clutch gearboxes they have two clutches and two gearboxes combined into one casing.

Electronically Controlled Continuously Variable Transmission (ECVT): An ECVT is a type of transmission system commonly used in hybrid vehicles. Unlike traditional transmissions with fixed gears, a CVT offers a continuous range of gear ratios, allowing the engine to operate more efficiently across various driving conditions.

--- Time Stamp --
00:00 - Introduction
00:30 - Dual-Clutch Transmission (DCT)
05:07 - MMT Transmission
07:07 - PDK Transmission
09:43 - ECVT Transmission
13:45 - Outro

#transmission #dualclutch

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Disclaimer: This video is for educational purposes only. We are not in the auto repair business nor publish automotive service manuals. This video is not reviewed or authorized by any vehicle manufacturer. This video is intended only as general guidance. Every system is slightly different, so refer to the owner’s manual of your vehicle for any specific information about your model. Remember that only proper service and repair procedures will ensure your car's safe and reliable operation.

Copyright Disclaimer: Copyright Disclaimer Under section 107 of the Copyright Act 1976, allowance is made for “fair use” for purposes such as criticism, comment, news reporting, teaching, scholarship, education, and research. Fair use is a use permitted by copyright statute that might otherwise be infringing. Non-profit, educational, or personal use tips the balance in favor of fair use.

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