A multi-speed transmission with six forward gears and one reverse gear having an input and output shaft, three planetary gear sets (P1, P2, P3), six rotatable shafts and five control elements. The input shaft communicates with the gear set (P2), the shaft (3), and the shaft (4). The shaft (3) communicates with the carrier of the gear set (P1), the housing and the shaft (6). The shaft (4) communicates with the gear set (P1) and the housing. The shaft (5) communicates with the gear set (P1) and the gear set (P3). The shaft (6) communicates with the gear set (P2). The output shaft communicates with the gear set (P3) and the gear set (P2), and the gear set (P3) communicates with the housing.