A transfer device of a vehicle is provided, which includes an input shaft for receiving an output torque of a drive source at an axial first side, a main-wheel output part provided on a second side and for outputting the output torque to main drive wheels, an auxiliary-wheel output shaft provided in parallel to the input shaft and for outputting the output torque to auxiliary drive wheels, a coupling provided on the input shaft and for extracting a part of the output torque, a drive member having a hollow section and provided on the input shaft, a driven member provided on the auxiliary-wheel output shaft and meshed with the drive member, a universal joint provided on the auxiliary-wheel output shaft, and a damper device provided on the input shaft or the auxiliary-wheel output shaft and for reducing noise that occurs due to a variation of the output torque.