A radiographic imaging apparatus in which a radiation source support unit supports a radiation source is adapted to be capable of being quickly carried to a use position in a small radius.A radiographic imaging apparatus includes a leg unit that includes three or more wheel units (13) and is capable of traveling on an apparatus-placement surface by using wheels (14), a body unit (30) that is held on the leg unit (10), an arm unit (50) as a radiation source support unit that is connected to the body unit (30), a radiation source (70) that is mounted on the arm unit (50), a battery that is received in the body unit (30) and drives the radiation source (70), and a circuit that is received in the body unit (30) and relates to the drive of the radiation source (70). The wheel unit (13) is formed of a revolving caster.
