Abstract: A communication method between construction equipment and a management server according to the present disclosure includes: receiving, by a diagnostic device of the construction equipment, state information from a plurality of vehicle control devices; checking, by the diagnostic device, a usable communication method when the received state information needs to be transmitted to a management server; when there is one usable communication method, transmitting, by the diagnostic device, the state information to the management server by using the corresponding communication method; and when there is a plurality of usable communication methods, selecting, by the diagnostic device, a communication method having the lowest fee per unit data, and transmitting the state information to the management server by using the selected communication method.

Abstract: A communication method between construction equipment and a management server according to the present disclosure includes: receiving, by a diagnostic device of the construction equipment, state information from a plurality of vehicle control devices; checking, by the diagnostic device, a usable communication method when the received state information needs to be transmitted to a management server; when there is one usable communication method, transmitting, by the diagnostic device, the state information to the management server by using the corresponding communication method; and when there is a plurality of usable communication methods, selecting, by the diagnostic device, a communication method having the lowest fee per unit data, and transmitting the state information to the management server by using the selected communication method.

Abstract: A running information recording device for heavy construction equipment of the present disclosure includes a plurality of cameras installed on the side surfaces of a unit of heavy construction equipment to gather image data about the area around the unit of heavy construction equipment; an image processor generating the image data about the area around the unit of heavy construction equipment; and a memory storing the image data, and the image data includes a synthetic moving image in which an image of the unit of heavy construction equipment is positioned in the middle, and the image data acquired from the plurality of cameras is synthesized into a single image to be displayed such that the area around the unit of heavy construction equipment is shown in bird's eye view.