An industrial vehicle , comprising: an engine whose rotational speed is controlled in accordance with an operation amount of an accelerator pedal ; a brake unit for braking the industrial vehicle by operating the brake pedal ; a pressure sensor that detects the braking force of the industrial vehicle by the brake device ; a transmission comprising a forward clutch , a reverse clutch and a plurality of speed-change clutches (C1, C2, C3, C4) for switching a plurality of speed stages that is controlled to transmit the output torque of the engine to shift to a set speed stage, by engagement of the forward clutch or the reverse clutch and one of the plurality of speed-change clutches C1, C2, C3, C4);a speed stage detection device that detects a set speed stage of the transmission ; characterized in that , a cut off selection switch that selects whether or not to perform clutch cut off control that releases the forward clutch in accordance with an increase in braking force by the operation amount of the brake pedal ; a controller that outputs a control signal to a transmission control device that sets the forward clutch from an engaged state to a released state, when the cut off selection switch selects to perform a clutch cut off control and the clutch off condition that is judged to be satisfied based upon an operation of the accelerator pedal and braking force of the industrial vehicle ; wherein the controller automatically switches the clutch cutoff condition based on a set speed stage of the transmission detected by the speed stage detection device and a braking force of the industrial vehicle detected by the pressure sensor , whereas a threshold value (P3) of the braking force of the industrial vehicle at a set first speed stage that is set higher than a threshold value (P1, P2) of the braking force of the industrial vehicle at another than the first speed stage. an engine whose rotational speed is controlled in accordance with an operation amount of an accelerator pedal ; a brake unit for braking the industrial vehicle by operating the brake pedal ; a pressure sensor that detects the braking force of the industrial vehicle by the brake device ; a transmission comprising a forward clutch , a reverse clutch and a plurality of speed-change clutches (C1, C2, C3, C4) for switching a plurality of speed stages that is controlled to transmit the output torque of the engine to shift to a set speed stage, by engagement of the forward clutch or the reverse clutch and one of the plurality of speed-change clutches C1, C2, C3, C4);a speed stage detection device that detects a set speed stage of the transmission ; characterized in that , a cut off selection switch that selects whether or not to perform clutch cut off control that releases the forward clutch in accordance with an increase in braking force by the operation amount of the brake pedal ; a controller that outputs a control signal to a transmission control device that sets the forward clutch from an engaged state to a released state, when the cut off selection switch selects to perform a clutch cut off control and the clutch off condition that is judged to be satisfied based upon an operation of the accelerator pedal and braking force of the industrial vehicle ; wherein the controller automatically switches the clutch cutoff condition based on a set speed stage of the transmission detected by the speed stage detection device and a braking force of the industrial vehicle detected by the pressure sensor , whereas a threshold value (P3) of the braking force of the industrial vehicle at a set first speed stage that is set higher than a threshold value (P1, P2) of the braking force of the industrial vehicle at another than the first speed stage. <EOS>