A work vehicle includes a driver's seat supported to a frame unit, a first hydraulic stepless speed changing device transmitting power to a first drive wheel, a second hydraulic stepless speed changing device transmitting power to a second drive wheel, and an oil tank. A bridge beam extending in a vehicle body transverse direction is provided between a cable harness extending in the vehicle body transverse direction and a hydraulic passage connecting the second hydraulic stepless speed changing device to the oil tank.
