dual-clutch transmission

Also called dual-clutch, DCT

Draft: this page has not had its final check yet, so check the sources behind anything you rely on.

A gearbox with two clutches, one for the odd gears and one for the even gears, so the next gear is ready before the shift.

The story

History: facts, each with the kind of source it rests on

One clutch drives the even-numbered gears and the other the odd-numbered gears, and a dual-clutch can shift several times faster than a manual. A published reference

The clutches are either wet or dry. Wet clutches are cooled by oil and are often used where the torque is higher. A published reference

Found on

Every generation on the site whose dossier or engine names it

Watch out for

Reputation: what owners and the press report. Tap one to see what to check.

  • Jolts at low speed Wherever it is fitted One source so far

    What to check: On a test drive, pull away gently and creep along as in traffic.

    A published reference mentions the jolting and shuddering sometimes found in dual-clutch gearboxes at low speed.

    A published reference