A radiation image capturing system comprising: a radiation generating apparatus to emit radiation; a bucky device associated with the radiation generating apparatus in advance; a portable Flat Panel Detector cassette which can capture a plurality of radiation images of an object successively in a state loaded on the bucky device or by itself; a Computed Radiography cassette which can store a radiation image of an object in a state loaded on the bucky device or by itself; and a console including a display section to display each icon corresponding to each of the usable bucky device, the console can communicate with the bucky device and the radiation generating device, wherein both the FPD cassette and the CR cassette can be loaded on the same bucky device, the bucky device is provided with a loading detecting section, so that the bucky device is configured to notify the console of the type of cassette (2a, 2b) loaded when either the portable FPD cassette or the CR cassette is loaded; the console is configured to start the radiation generating apparatus associated with the selected bucky device when a icon corresponding to a bucky device is selected from the icons displayed on the display section, and the console is configured to control the radiation generating apparatus to emit radiation with a different emission amount according to the type of the loaded cassette (2a, 2b) notified from the bucky device; and the radiation image capturing system further comprises a warning section which is configured to give a warning when an operator sets a capturing condition but the type of cassette (2a, 2b) loaded does not match the set capturing condition. a radiation generating apparatus to emit radiation; a bucky device associated with the radiation generating apparatus in advance; a portable Flat Panel Detector cassette which can capture a plurality of radiation images of an object successively in a state loaded on the bucky device or by itself; a Computed Radiography cassette which can store a radiation image of an object in a state loaded on the bucky device or by itself; and a console including a display section to display each icon corresponding to each of the usable bucky device, the console can communicate with the bucky device and the radiation generating device, wherein both the FPD cassette and the CR cassette can be loaded on the same bucky device, the bucky device is provided with a loading detecting section, so that the bucky device is configured to notify the console of the type of cassette (2a, 2b) loaded when either the portable FPD cassette or the CR cassette is loaded; the console is configured to start the radiation generating apparatus associated with the selected bucky device when a icon corresponding to a bucky device is selected from the icons displayed on the display section, and the console is configured to control the radiation generating apparatus to emit radiation with a different emission amount according to the type of the loaded cassette (2a, 2b) notified from the bucky device; and the radiation image capturing system further comprises a warning section which is configured to give a warning when an operator sets a capturing condition but the type of cassette (2a, 2b) loaded does not match the set capturing condition.