Railcar door operating systems and methods with capstan drives

A longitudinal door system, comprising:

• one or more longitudinal doors for a railcar;
• a longitudinal operating beam coupled to the one or more longitudinal doors via one or more struts, wherein a translation of the longitudinal operating beam is coupled to an opening and closing of the one or more longitudinal doors;
• and
• a gearbox coupled to the longitudinal operating beam and a first capstan receptacle, the gearbox operable to translate a rotational movement of the first capstan receptacle to a linear movement of the longitudinal operating beam;
• a second capstan receptacle coupled to the gearbox, wherein the first capstan receptacle extends toward a first side of the railcar, and the second capstan receptacle extends toward a second side of the railcar;
• and
• a security system comprising a first security seal for the first capstan receptacle and a second security seal for the second capstan receptacle, wherein the first and second security seals are configured to indicate whether the first and second capstan receptacles have been accessed since installation of the first or second security seal.