D_(23)型双支承特种平车,系根据交通部(73)交计字1698号文设计制造的特种车辆。它适用于标准轨距铁路上运输刚度较大且能自身承载的长大货物(亦可通过货物承载架运输不能自身承载的长大货物)。在设计制造过程中,我厂广大职工,在毛主席的独立自主、自力更生伟大方针指引下,高举“鞍 D_ (23) double-bearing special flat car, according to the Ministry of Communications (73) to pay the letter 1698 text designed and manufactured special vehicles. It applies to the standard gauge rail transport rigidity and can carry their own long-term goods (also can be carried through the cargo carrier can not carry its own long-term load of goods). In the design and manufacturing process, our factory workers, under the guidance of Chairman Mao’s principle of independence and self-reliance, hold high the "saddle