ZF Friedrichshafen AG, with Porsche, designed and now build the two different variants [44] of the Porsche Doppelkupplungsgetriebe (PDK) seven - speed» 7DT» dual wet multiplate clutch transmission. (en.wikipedia.org)
[10][50] Like the original transverse DQ250, this DL501 uses dual wet multiplate clutches, but unlike the DQ250, this variant uses seven forward ratios. (en.wikipedia.org)
«Porsche Traction Management (PTM): Active all - wheel drive with electronic and map controlled multiplate clutch with Automatic Brake Differential (ABD) (porscheofannapolis.com)