1998年3月份,牛疙瘩村的牛某通过亲戚关系,向杨庄村的杨某借款4万元,购买了一辆自动翻斗汽车外出跑运输,言明一年内还清本息。1999年3月到期后,杨某多次上门催要借款,牛某一再以种种理由拖延不还。杨某随诉至县人民法院。法院受理这一纠纷案件后,采取财产保全措施,将牛某的汽车查封。后经法院审理和调解,原、被告达成协议。但在调解书生效后,牛某仍然拒不履行。经原告申请,此案进入执 In March 1998, cow Niu Pi village of a through relatives, to Yang Zhuang Village Yang borrowed 40,000 yuan, bought an automatic dump truck out of the running transport, stated that within one year to pay off principal and interest. After the expiration of March 1999, Yang repeatedly went to court to borrow money, Niu one after another for various reasons not to delay. Yang appealed to the county people’s court. After the court accepted the dispute, it took property preservation measures and seized Niu’s car. After the court hearing and mediation, the original, the defendant reached an agreement. However, after the entry into force of the mediation, Niu Mou still refuses to perform. The plaintiff application, the case into execution