A vehicle gearbox (2) comprises a centrally operating device (28) for releasing the clutch (6), which is provided between the clutch disc and the clutch bell housing of the gearbox (2). A transmission control unit (22) provided on or in the gearbox (2) is both electrically connected directly with the device (28) and the medium for actuating the clutch (6) is received directly from the transmission control unit (22).