它由液壓控製，主要零部件有製動盤、分泵、製動鉗、youguandeng。zhidongpanyonghejingangzhizaobinggudingzaichelunshang，suichelunzhuandong。fenbenggudingzaizhidongqidedibanshanggudingbudong。zhidongqianshangdelianggemocapianfenbiezhuangzaizhidongpandeliangce。fenbengdehuosaishouyouguanshusonglaideyeyazuoyong，tuidongmocapianyaxiangzhidongpanfashengmocazhidong，dongzuoqilaijiuhaoxiangyongqianziqianzhuxuanzhuanzhongdepanzi，poshitatingxialaiyiyang。

        這zhe種zhong製zhi動dong器qi散san熱re快kuai
，重zhong量liang輕qing，構gou造zao簡jian單dan，調tiao整zheng方fang便bian。特te別bie是shi高gao負fu載zai時shi耐nai高gao溫wen性xing能neng好hao
，製zhi動dong效xiao果guo穩wen定ding
，而er且qie不bu怕pa泥ni水shui侵qin襲xi，在zai冬dong季ji和he惡e劣lie路lu況kuang下xia行xing車che
，盤pan式shi製zhi動dong比bi鼓gu式shi製zhi動dong更geng容rong易yi在zai較jiao短duan的de時shi間jian內nei令ling車che停ting下xia。有you些xie盤pan式shi製zhi動dong器qi的de製zhi動dong盤pan上shang還hai開kai了le許xu多duo小xiao孔kong，加jia速su通tong風feng散san熱re提ti高gao製zhi動dong效xiao率lv。反fan觀guan鼓gu式shi製zhi動dong器qi
，由you於yu散san熱re性xing能neng差cha
，在zai製zhi動dong過guo程cheng中zhong會hui**大量的熱量。製動蹄片和輪鼓在高溫影響下較易發生極為複雜的變形，容易產生製動衰退和振抖現象，引起製動效率下降。