To enhance a loading capacity in a loading device for a snow mobile, and secure excellent controllability by steering skis even when the loading capacity is enhanced.

A body 2 is provided with a body frame 3 and a hook 6 attached detachably to a front part of the frame 3 from its upper side. This loading device is provided with a drive means 9 for traveling supported in a longitudinal-directional midway part of the body 2 to be friction-joined to a traveling snow face S by its lower face 8, steering skis 12 supported on the front side of the body 2 to be freely steered and joined to the snow face S by its lower face 11, and a saddle type seat 26 supported on the upper face side of the longitudinal-directional intermediate part of the body 2. A rack 37 for laying baggage is provided in the vicinity of an upper side of the hood 6.