A planetary gear train apparatus of automatic transmission may include first planetary gear set including first to third rotation elements, second planetary gear set including fourth to sixth rotation elements, third planetary gear set including seventh to ninth rotation elements, fourth planetary gear set including tenth to twelfth rotation elements, fifth planetary gear set including thirteenth to fifteenth rotation elements, first shaft fixed to the second rotation element and the input shaft, second shaft fixed to the fourteenth rotation element and the output shaft, third shaft fixed to the third and seventh rotation elements, fourth shaft fixed to the fifth and thirteenth rotation elements, fifth shaft fixed to the sixth rotation element, sixth shaft fixed to the eleventh and fifteenth rotation elements, seventh shaft fixed to the first, fourth, and eighth rotation elements, eighth shaft fixed to the ninth and tenth rotation elements, and ninth shaft fixed to the twelfth rotation element.