A parallel axis type transmission comprising: one input shaft (13, 113, 211); one output shaft (27, 123, 216); a first power transmitting path (10a, 110a, 210a) of drive gears (14a, 14b, 125 212) and driven gears (18, 20, 115b, 217b), the drive gears (14a, 14b, 125, 212) of the first power transmitting path (10a, 110a, 210a) being rotatable around the input shaft (13, 113, 211), and the first power transmitting path (10a, 110a, 210a) being capable of obtaining odd number speeds; a second power transmitting path (10b, 110b, 210b) of drive gears (15a, 15b, 15c, 124b, 124c, 213) and driven gears (21, 19, 22, 119, 120, 216b), the drive gears (15a, 15b, 15c, 124b, 124c, 213) of the second power transmitting path (10b, 110b, 210b) being rotatable around the input shaft (13, 113, 211), and the second power transmitting path (10b, 210b) being capable of obtaining even number speeds; a first gear shifting part (24, 118, 220A) that is incorporated in the first power transmitting path (10a, 110a, 210a) to be shifted between the driven gears (18, 20, 115b, 217b) of the first power transmitting path (10a, 110a, 210a) so as to be capable of obtaining one of the odd-numbered speeds; and a second gear shifting part (25, 121, 220b) that is incorporated in the second power transmitting path (10b, 110b, 210b) to be shifted between the driven gears (19, 21, 22, 119, 120, 216b) of the second power transmitting path (10b, 210b) so as to be capable of obtaining one of the even-numbered speeds; characterised by a path shifting part (16, 126,210) that is arranged between the first power transmitting path (10a, 210a) and the second power transmitting path (10b, 210b) and is capable of shifting from one of the first power transmitting path (10a, 210a) and the second power transmitting path (10b, 210b) to the other of the first power transmitting path (10a, 210a) and the second power transmitting path (10b, 210b) to output power from the input shaft (13, 113, 211) to the output shaft (27, 123, 216). one input shaft (13, 113, 211); one output shaft (27, 123, 216); a first power transmitting path (10a, 110a, 210a) of drive gears (14a, 14b, 125 212) and driven gears (18, 20, 115b, 217b), the drive gears (14a, 14b, 125, 212) of the first power transmitting path (10a, 110a, 210a) being rotatable around the input shaft (13, 113, 211), and the first power transmitting path (10a, 110a, 210a) being capable of obtaining odd number speeds; a second power transmitting path (10b, 110b, 210b) of drive gears (15a, 15b, 15c, 124b, 124c, 213) and driven gears (21, 19, 22, 119, 120, 216b), the drive gears (15a, 15b, 15c, 124b, 124c, 213) of the second power transmitting path (10b, 110b, 210b) being rotatable around the input shaft (13, 113, 211), and the second power transmitting path (10b, 210b) being capable of obtaining even number speeds; a first gear shifting part (24, 118, 220A) that is incorporated in the first power transmitting path (10a, 110a, 210a) to be shifted between the driven gears (18, 20, 115b, 217b) of the first power transmitting path (10a, 110a, 210a) so as to be capable of obtaining one of the odd-numbered speeds; and a second gear shifting part (25, 121, 220b) that is incorporated in the second power transmitting path (10b, 110b, 210b) to be shifted between the driven gears (19, 21, 22, 119, 120, 216b) of the second power transmitting path (10b, 210b) so as to be capable of obtaining one of the even-numbered speeds; characterised by a path shifting part (16, 126,210) that is arranged between the first power transmitting path (10a, 210a) and the second power transmitting path (10b, 210b) and is capable of shifting from one of the first power transmitting path (10a, 210a) and the second power transmitting path (10b, 210b) to the other of the first power transmitting path (10a, 210a) and the second power transmitting path (10b, 210b) to output power from the input shaft (13, 113, 211) to the output shaft (27, 123, 216).