The agriculture trailers of such a type are mainly intended for carrying root crops. The loading case interior is smooth what reduces damages of farm products during loading and unloading to minimum. A hydraulically lifted rear wall allows to conveniently, efficiently and safely unload the carried farm products. The trailers are successfully used to carry grain and corn. The high level of the seal allows to carry loose materials without additional sealing. Moreover, an additional discharge window is located in the rear gate, allowing for stream unloading. An asset of these trailers is a strong and compact structure, being conducive to works under difficult field conditions.