An industrial vehicle remote operation system comprising: an industrial vehicle that includes a vehicle communication unit configured to perform wireless communication; and a remote operation device that includes a remote communication unit configured to perform wireless communication with the vehicle communication unit, and is used for remotely operating the industrial vehicle, the industrial vehicle remote operation system being characterized in that the remote operation device includes a signal generation unit configured to repeatedly execute a signal generation process for generating a remote operation signal used for a remote operation of the industrial vehicle, the remote communication unit is configured to sequentially transmit the remote operation signal generated by the signal generation unit to the vehicle communication unit; the industrial vehicle is configured to operate based on the remote operation signal received by the vehicle communication unit, and the industrial vehicle includes: a delay time calculation unit configured to calculate a delay time (Tm) corresponding to a difference between a reception period (Tbm) required for the vehicle communication unit to receive a plurality of the remote operation signals and a generation period (Tam) required for generating the plurality of remote operation signals; a communication delay determination unit configured to perform a communication delay determination for determining whether or not a communication delay has been caused based on the delay time (Tm); and a communication delay handling control unit configured to execute communication delay handling control corresponding to the communication delay when it is determined that the communication delay has been caused in the communication delay determination. an industrial vehicle that includes a vehicle communication unit configured to perform wireless communication; and a remote operation device that includes a remote communication unit configured to perform wireless communication with the vehicle communication unit, and is used for remotely operating the industrial vehicle, the industrial vehicle remote operation system being characterized in that the remote operation device includes a signal generation unit configured to repeatedly execute a signal generation process for generating a remote operation signal used for a remote operation of the industrial vehicle, the remote communication unit is configured to sequentially transmit the remote operation signal generated by the signal generation unit to the vehicle communication unit; the industrial vehicle is configured to operate based on the remote operation signal received by the vehicle communication unit, and the industrial vehicle includes: a delay time calculation unit configured to calculate a delay time (Tm) corresponding to a difference between a reception period (Tbm) required for the vehicle communication unit to receive a plurality of the remote operation signals and a generation period (Tam) required for generating the plurality of remote operation signals; a communication delay determination unit configured to perform a communication delay determination for determining whether or not a communication delay has been caused based on the delay time (Tm); and a communication delay handling control unit configured to execute communication delay handling control corresponding to the communication delay when it is determined that the communication delay has been caused in the communication delay determination. a delay time calculation unit configured to calculate a delay time (Tm) corresponding to a difference between a reception period (Tbm) required for the vehicle communication unit to receive a plurality of the remote operation signals and a generation period (Tam) required for generating the plurality of remote operation signals; a communication delay determination unit configured to perform a communication delay determination for determining whether or not a communication delay has been caused based on the delay time (Tm); and a communication delay handling control unit configured to execute communication delay handling control corresponding to the communication delay when it is determined that the communication delay has been caused in the communication delay determination.