据日刊报道《防卫通信》和《国防经济通信》报道日本陆军在第四次防卫调整计划期间(72～76年)进行了74式坦克的下一代新坦克的调查、研究工作,第五次防卫调整计划期间将进行部件研制和整车试制,第六次防卫调整计划期间定型並装备部队。陆军考虑该坦克的重量在38—40吨。並已开始了部件研制。火炮是105毫米润膛炮,拟采用热护套,由日本制钢所承担,78年7月完 According to the daily reports of “Defense Communications” and “National Defense Economic Communication,” the Japanese Army conducted the investigation and research work on the next generation of new tanks of the 74-type tanks during the fourth defense and readjustment plan (72-76 years). The fifth defense During the adjustment period, part development and vehicle trial will be carried out. During the sixth defense and adjustment program, the troops will be finalized and equipped. The army considers the weight of the tank at 38-40 tons. And has begun the development of components. Artillery gun is 105 mm rifled chamber gun, it is proposed to use heat jacket, made by Japan Steel, July 78 End