Abstract: An agricultural cart for transporting different particulate materials includes a transport container a row of hoppers for containing agricultural product such as harvested grain to be carried away from the field and seed and fertilizer for filling a seeder during seeding. The cart includes a transport tube with across a bottom of the hoppers and a discharge tube extending upwardly and outwardly to one side, each including an auger flight. An air blower is mounted on a front end of the cart for generating a stream of air and a nozzle mounted on the cart and arranged to direct the stream of air into the cart and particularly into the transport tubes toward the discharge end to clean them out. The transport tube includes inlet doors which can be closed and there is provide a closure gate between the transport tube and the discharge tube.