A transaxle for a working vehicle including a housing, an integrated hydrostatic transmission (IHT) disposed within the housing, and a bi-directional overrunning clutch disposed within the housing and coupled to an output shaft of the IHT. The bi-directional overrunning clutch includes an input gear having a central opening, a roller assembly disposed within the central opening of the input gear, a plurality of rollers for selective engagement with the input gear, and a pair of hubs. Each hub is disposed at least partially within the roller assembly. The transaxle further includes a pair of clutch covers. Each clutch cover is disposed at either end of the roller assembly and each clutch cover is coupled directly to the roller assembly. The bi-directional overrunning clutch further includes a pair of friction members. Each friction member is disposed between one of the hubs and respective clutch cover. The transaxle also includes a pair of shaft segments of a primary drive axle.