A work vehicle includes: a container; a conveyance mechanism configured to convey an object to the container using a force of wind generated by a blower; and an evaluation unit configured to evaluate a conveyance state of the conveyed object to the container. The evaluation unit has a drive load detecting function of detecting a drive load of the blower, and a conveyance state determining function of determining whether the conveyance state reached a predetermined conveyance state, based on the detected drive load.