Problem to be solved: to provide an unmanned forklift 1 capable of traveling even in a relatively narrow passage width.The vehicle body 2 provided with the mast 3Fork 4 up and down along mastA side shift device 10 for shifting fork 4 in the width direction of vehicle bodyLuggage and fork on fork 4, and detector 20 for detecting obstacles aheadDetection device 20 includesA sensor portion having a plane including the front and rear direction and the height direction of the vehicle body 2 as a detection area andThe sensor is provided with a sensor shift portion for shifting the sensor portion in the width direction to shift the detection region in the width direction.Diagram
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