The invention relates to a center sill free stainless steel foodstuff hopper wagon, which is a hopper wagon for transporting free-flowing foodstuffs. An underframe is arranged on a steering frame, a wagon body is arranged on the underframe, a coupler and draft gear, a hand braking device and an air braking device are arranged on the underframe, a hopper part and a bottom door
assembly are arranged under the wagon body, a platform is arranged on the wagon body, the underframe is provided with two side walls and two end walls, a wagon roof is arranged on the walls, the underside of the underframe is provided with four hopper parts, and the side walls adopt four thin-wall arc structures; one end of the end wall is provided with an end ladder; the wagon roof consists of nine turnable loading port cover parts, and each loading port cover part consists of a port cover, a left blocking bar, a right blocking bar and a compacting fixing device; and the left blocking bar is arranged at the left end of the port cover, the right blocking bar is arranged at the right end of the port cover, and the compacting fixing device is arranged between the left blocking bar and the right blocking bar. The center sill free stainless steel foodstuff hopper wagon has the advantages that the two side walls of the entire wagon body adopt the four thin-wall arc structures so that the
dead weight is light and the volume is large so as to use the vehicle gauge and the
load carrying capacity to the utmost extent, thus the center sill free stainless steel foodstuff hopper wagon is suitable for the requirement on overloading transportation.