Provided herein are a suspension apparatus and a specialized vehicle including the same. The suspension apparatus includes a crankshaft fixed to a vehicle body, a housing rotatably connected to the crankshaft, a first damping portion arranged in the housing and having a damping fluid accommodated in the first damping portion, an amount of the damping fluid in the first damping portion being adjusted according to an external force applied to the vehicle body, a second damping portion arranged in the housing, connected to the first damping portion such that the damping fluid moves between the first damping portion and the second damping portion, and including: a first space accommodating a compressed gas; and a second space accommodating the damping fluid, the first space facing the second space; and a rotational force applier arranged in the housing and configured to apply a rotational force to the housing by adjusting an amount of a working fluid in the rotational force applier.