Abstract: A drive mechanism having a clutch assembly and a brake assembly comprising a housing, an input shaft rotatably supported by the housing, an output shaft rotatably mounted relative to the housing through the brake assembly, the clutch assembly being spring-engaged and hydraulically disengaged and the brake assembly being spring-actuated and hydraulically released wherein a fluid passage for lubricant is formed in the input shaft and in the clutch assembly and which fluid passage is open to a mounting surface of annular plates of the clutch assembly for lubricating the annular plates and associated clutch disks and another fluid passage is formed in a stationary section of the brake assembly and is open to a mounting surface of annular plates of the brake assembly for lubricating the annular plates and associated brake disks.