DUMP TRUCK

The dump truck (1) is equipped with a vehicle body frame (5) to which front wheels (3) and rear wheels (4) are attached, an electric motor (25) to drive the rear wheels (4), a battery device (26) mounted on the vehicle body frame (5) to supply power to the electric motor (25), and electrical device including a converter (34) arranged on the rear side of the battery device (26) . Below the battery device (26), a first refrigerant line (45) through which refrigerant flows to cool the battery device (26) and a second refrigerant line (54) through which refrigerant flows to cool the electrical device are arranged.